81398718720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6907}}^1$

素因数の和:6979

約数の個数: 576

約数和(自身を含む): 325323694080

約数和(自身を除く): 243924975360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 31, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 62, 64, 66, 72, 80, 88, 90, 93, 96, 99, 108, 110, 120, 124, 128, 132, 135, 144, 155, 160, 165, 176, 180, 186, 192, 198, 216, 220, 240, 248, 256, 264, 270, 279, 288, 297, 310, 320, 330, 341, 352, 360, 372, 384, 396, 432, 440, 465, 480, 495, 496, 528, 540, 558, 576, 594, 620, 640, 660, 682, 704, 720, 744, 768, 792, 837, 864, 880, 930, 960, 990, 992, 1023, 1056, 1080, 1116, 1152, 1188, 1240, 1280, 1320, 1364, 1395, 1408, 1440, 1485, 1488, 1584, 1674, 1705, 1728, 1760, 1860, 1920, 1980, 1984, 2046, 2112, 2160, 2232, 2304, 2376, 2480, 2640, 2728, 2790, 2816, 2880, 2970, 2976, 3069, 3168, 3348, 3410, 3456, 3520, 3720, 3840, 3960, 3968, 4092, 4185, 4224, 4320, 4464, 4752, 4960, 5115, 5280, 5456, 5580, 5760, 5940, 5952, 6138, 6336, 6696, 6820, 6907, 6912, 7040, 7440, 7920, 7936, 8184, 8370, 8448, 8640, 8928, 9207, 9504, 9920, 10230, 10560, 10912, 11160, 11520, 11880, 11904, 12276, 12672, 13392, 13640, 13814, 14080, 14880, 15345, 15840, 16368, 16740, 17280, 17856, 18414, 19008, 19840, 20460, 20721, 21120, 21824, 22320, 23760, 23808, 24552, 25344, 26784, 27280, 27628, 29760, 30690, 31680, 32736, 33480, 34535, 34560, 35712, 36828, 38016, 39680, 40920, 41442, 42240, 43648, 44640, 46035, 47520, 49104, 53568, 54560, 55256, 59520, 61380, 62163, 63360, 65472, 66960, 69070, 71424, 73656, 75977, 76032, 81840, 82884, 87296, 89280, 92070, 95040, 98208, 103605, 107136, 109120, 110512, 119040, 122760, 124326, 126720, 130944, 133920, 138140, 147312, 151954, 163680, 165768, 178560, 184140, 186489, 190080, 196416, 207210, 214117, 214272, 218240, 221024, 227931, 245520, 248652, 261888, 267840, 276280, 294624, 303908, 310815, 327360, 331536, 357120, 368280, 372978, 379885, 380160, 392832, 414420, 428234, 436480, 442048, 455862, 491040, 497304, 535680, 552560, 589248, 607816, 621630, 642351, 654720, 663072, 683793, 736560, 745956, 759770, 785664, 828840, 856468, 884096, 911724, 932445, 982080, 994608, 1070585, 1071360, 1105120, 1139655, 1178496, 1215632, 1243260, 1284702, 1309440, 1326144, 1367586, 1473120, 1491912, 1519540, 1657680, 1712936, 1768192, 1823448, 1864890, 1927053, 1964160, 1989216, 2051379, 2141170, 2210240, 2279310, 2355287, 2356992, 2431264, 2486520, 2569404, 2652288, 2735172, 2946240, 2983824, 3039080, 3211755, 3315360, 3418965, 3425872, 3646896, 3729780, 3854106, 3928320, 3978432, 4102758, 4282340, 4420480, 4558620, 4710574, 4862528, 4973040, 5138808, 5304576, 5470344, 5781159, 5892480, 5967648, 6078160, 6423510, 6630720, 6837930, 6851744, 7065861, 7293792, 7459560, 7708212, 7956864, 8205516, 8564680, 8840960, 9117240, 9421148, 9635265, 9725056, 9946080, 10256895, 10277616, 10940688, 11562318, 11776435, 11784960, 11935296, 12156320, 12847020, 13261440, 13675860, 13703488, 14131722, 14587584, 14919120, 15416424, 15913728, 16411032, 17129360, 18234480, 18842296, 19270530, 19450112, 19892160, 20513790, 20555232, 21197583, 21881376, 23124636, 23552870, 23870592, 24312640, 25694040, 26522880, 27351720, 27406976, 28263444, 28905795, 29175168, 29838240, 30832848, 32822064, 34258720, 35329305, 36468960, 37684592, 38541060, 39784320, 41027580, 41110464, 42395166, 43762752, 46249272, 47105740, 47741184, 48625280, 51388080, 54703440, 54813952, 56526888, 57811590, 58350336, 59676480, 61665696, 63592749, 65644128, 68517440, 70658610, 72937920, 75369184, 77082120, 79568640, 82055160, 82220928, 84790332, 87525504, 92498544, 94211480, 97250560, 102776160, 105987915, 109406880, 113053776, 115623180, 119352960, 123331392, 127185498, 131288256, 137034880, 141317220, 145875840, 150738368, 154164240, 164110320, 164441856, 169580664, 175051008, 184997088, 188422960, 205552320, 211975830, 218813760, 226107552, 231246360, 238705920, 246662784, 254370996, 262576512, 274069760, 282634440, 291751680, 301476736, 308328480, 317963745, 328220640, 339161328, 369994176, 376845920, 411104640, 423951660, 437627520, 452215104, 462492720, 493325568, 508741992, 525153024, 565268880, 602953472, 616656960, 635927490, 656441280, 678322656, 739988352, 753691840, 822209280, 847903320, 875255040, 904430208, 924985440, 1017483984, 1130537760, 1233313920, 1271854980, 1312882560, 1356645312, 1479976704, 1507383680, 1695806640, 1808860416, 1849970880, 2034967968, 2261075520, 2466627840, 2543709960, 2625765120, 2713290624, 3014767360, 3391613280, 3699941760, 4069935936, 4522151040, 5087419920, 5426581248, 6783226560, 7399883520, 8139871872, 9044302080, 10174839840, 13566453120, 16279743744, 20349679680, 27132906240, 40699359360, 81398718720]

約数ペア:

[(1, 81398718720), (2, 40699359360), (3, 27132906240), (4, 20349679680), (5, 16279743744), (6, 13566453120), (8, 10174839840), (9, 9044302080), (10, 8139871872), (11, 7399883520), (12, 6783226560), (15, 5426581248), (16, 5087419920), (18, 4522151040), (20, 4069935936), (22, 3699941760), (24, 3391613280), (27, 3014767360), (30, 2713290624), (31, 2625765120), (32, 2543709960), (33, 2466627840), (36, 2261075520), (40, 2034967968), (44, 1849970880), (45, 1808860416), (48, 1695806640), (54, 1507383680), (55, 1479976704), (60, 1356645312), (62, 1312882560), (64, 1271854980), (66, 1233313920), (72, 1130537760), (80, 1017483984), (88, 924985440), (90, 904430208), (93, 875255040), (96, 847903320), (99, 822209280), (108, 753691840), (110, 739988352), (120, 678322656), (124, 656441280), (128, 635927490), (132, 616656960), (135, 602953472), (144, 565268880), (155, 525153024), (160, 508741992), (165, 493325568), (176, 462492720), (180, 452215104), (186, 437627520), (192, 423951660), (198, 411104640), (216, 376845920), (220, 369994176), (240, 339161328), (248, 328220640), (256, 317963745), (264, 308328480), (270, 301476736), (279, 291751680), (288, 282634440), (297, 274069760), (310, 262576512), (320, 254370996), (330, 246662784), (341, 238705920), (352, 231246360), (360, 226107552), (372, 218813760), (384, 211975830), (396, 205552320), (432, 188422960), (440, 184997088), (465, 175051008), (480, 169580664), (495, 164441856), (496, 164110320), (528, 154164240), (540, 150738368), (558, 145875840), (576, 141317220), (594, 137034880), (620, 131288256), (640, 127185498), (660, 123331392), (682, 119352960), (704, 115623180), (720, 113053776), (744, 109406880), (768, 105987915), (792, 102776160), (837, 97250560), (864, 94211480), (880, 92498544), (930, 87525504), (960, 84790332), (990, 82220928), (992, 82055160), (1023, 79568640), (1056, 77082120), (1080, 75369184), (1116, 72937920), (1152, 70658610), (1188, 68517440), (1240, 65644128), (1280, 63592749), (1320, 61665696), (1364, 59676480), (1395, 58350336), (1408, 57811590), (1440, 56526888), (1485, 54813952), (1488, 54703440), (1584, 51388080), (1674, 48625280), (1705, 47741184), (1728, 47105740), (1760, 46249272), (1860, 43762752), (1920, 42395166), (1980, 41110464), (1984, 41027580), (2046, 39784320), (2112, 38541060), (2160, 37684592), (2232, 36468960), (2304, 35329305), (2376, 34258720), (2480, 32822064), (2640, 30832848), (2728, 29838240), (2790, 29175168), (2816, 28905795), (2880, 28263444), (2970, 27406976), (2976, 27351720), (3069, 26522880), (3168, 25694040), (3348, 24312640), (3410, 23870592), (3456, 23552870), (3520, 23124636), (3720, 21881376), (3840, 21197583), (3960, 20555232), (3968, 20513790), (4092, 19892160), (4185, 19450112), (4224, 19270530), (4320, 18842296), (4464, 18234480), (4752, 17129360), (4960, 16411032), (5115, 15913728), (5280, 15416424), (5456, 14919120), (5580, 14587584), (5760, 14131722), (5940, 13703488), (5952, 13675860), (6138, 13261440), (6336, 12847020), (6696, 12156320), (6820, 11935296), (6907, 11784960), (6912, 11776435), (7040, 11562318), (7440, 10940688), (7920, 10277616), (7936, 10256895), (8184, 9946080), (8370, 9725056), (8448, 9635265), (8640, 9421148), (8928, 9117240), (9207, 8840960), (9504, 8564680), (9920, 8205516), (10230, 7956864), (10560, 7708212), (10912, 7459560), (11160, 7293792), (11520, 7065861), (11880, 6851744), (11904, 6837930), (12276, 6630720), (12672, 6423510), (13392, 6078160), (13640, 5967648), (13814, 5892480), (14080, 5781159), (14880, 5470344), (15345, 5304576), (15840, 5138808), (16368, 4973040), (16740, 4862528), (17280, 4710574), (17856, 4558620), (18414, 4420480), (19008, 4282340), (19840, 4102758), (20460, 3978432), (20721, 3928320), (21120, 3854106), (21824, 3729780), (22320, 3646896), (23760, 3425872), (23808, 3418965), (24552, 3315360), (25344, 3211755), (26784, 3039080), (27280, 2983824), (27628, 2946240), (29760, 2735172), (30690, 2652288), (31680, 2569404), (32736, 2486520), (33480, 2431264), (34535, 2356992), (34560, 2355287), (35712, 2279310), (36828, 2210240), (38016, 2141170), (39680, 2051379), (40920, 1989216), (41442, 1964160), (42240, 1927053), (43648, 1864890), (44640, 1823448), (46035, 1768192), (47520, 1712936), (49104, 1657680), (53568, 1519540), (54560, 1491912), (55256, 1473120), (59520, 1367586), (61380, 1326144), (62163, 1309440), (63360, 1284702), (65472, 1243260), (66960, 1215632), (69070, 1178496), (71424, 1139655), (73656, 1105120), (75977, 1071360), (76032, 1070585), (81840, 994608), (82884, 982080), (87296, 932445), (89280, 911724), (92070, 884096), (95040, 856468), (98208, 828840), (103605, 785664), (107136, 759770), (109120, 745956), (110512, 736560), (119040, 683793), (122760, 663072), (124326, 654720), (126720, 642351), (130944, 621630), (133920, 607816), (138140, 589248), (147312, 552560), (151954, 535680), (163680, 497304), (165768, 491040), (178560, 455862), (184140, 442048), (186489, 436480), (190080, 428234), (196416, 414420), (207210, 392832), (214117, 380160), (214272, 379885), (218240, 372978), (221024, 368280), (227931, 357120), (245520, 331536), (248652, 327360), (261888, 310815), (267840, 303908), (276280, 294624)]