20176951480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:291

約数の個数: 384

約数和(自身を含む): 57442867200

約数和(自身を除く): 37265915720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 49, 56, 70, 89, 92, 94, 98, 107, 115, 140, 161, 178, 184, 188, 196, 214, 230, 235, 245, 280, 322, 329, 356, 376, 392, 428, 445, 460, 470, 490, 535, 623, 644, 658, 712, 749, 805, 856, 890, 920, 940, 980, 1070, 1081, 1127, 1246, 1288, 1316, 1498, 1610, 1645, 1780, 1880, 1960, 2047, 2140, 2162, 2254, 2303, 2461, 2492, 2632, 2996, 3115, 3220, 3290, 3560, 3745, 4094, 4183, 4280, 4324, 4361, 4508, 4606, 4922, 4984, 5029, 5243, 5405, 5635, 5992, 6230, 6440, 6580, 7490, 7567, 8188, 8366, 8648, 8722, 9016, 9212, 9523, 9844, 10058, 10235, 10486, 10810, 11270, 11515, 12305, 12460, 13160, 14329, 14980, 15134, 16376, 16732, 17227, 17444, 18424, 19046, 19688, 20116, 20470, 20915, 20972, 21620, 21805, 22540, 23030, 24610, 24920, 25145, 26215, 28658, 29281, 29960, 30268, 33464, 34454, 34888, 35203, 37835, 38092, 40232, 40940, 41830, 41944, 43240, 43610, 45080, 46060, 47615, 49220, 50290, 52430, 52969, 57316, 58562, 60536, 66661, 68908, 70406, 71645, 75670, 76184, 81880, 83660, 86135, 87220, 92120, 95230, 96209, 98440, 100303, 100580, 104860, 105938, 114632, 115667, 117124, 120589, 133322, 137816, 140812, 143290, 146405, 151340, 167320, 172270, 174440, 176015, 190460, 192418, 200606, 201160, 204967, 209720, 211876, 219029, 231334, 234248, 241178, 246421, 264845, 266644, 281624, 286580, 292810, 302680, 333305, 344540, 352030, 380920, 384836, 401212, 409934, 423752, 438058, 447581, 462668, 466627, 481045, 482356, 492842, 501515, 529690, 533288, 573160, 578335, 585620, 602945, 666610, 673463, 689080, 704060, 769672, 802424, 809669, 819868, 876116, 895162, 925336, 933254, 962090, 964712, 985684, 1003030, 1024835, 1059380, 1095145, 1156670, 1171240, 1205890, 1232105, 1333220, 1346926, 1408120, 1533203, 1619338, 1639736, 1752232, 1790324, 1866508, 1924180, 1971368, 2006060, 2049670, 2118760, 2190290, 2237905, 2313340, 2333135, 2411780, 2464210, 2666440, 2693852, 3066406, 3133067, 3238676, 3367315, 3580648, 3733016, 3848360, 4012120, 4048345, 4099340, 4380580, 4475810, 4626680, 4666270, 4714241, 4823560, 4928420, 5387704, 5667683, 6132812, 6266134, 6477352, 6734630, 7666015, 8096690, 8198680, 8761160, 8951620, 9332540, 9428482, 9856840, 10294363, 10732421, 11335366, 12265624, 12532268, 13469260, 15332030, 15665335, 16193380, 17903240, 18665080, 18856964, 20588726, 21464842, 21931469, 22670732, 23571205, 25064536, 26938520, 28338415, 30664060, 31330670, 32386760, 37713928, 41177452, 42929684, 43862938, 45341464, 47142410, 51471815, 53662105, 56676830, 61328120, 62661340, 72060541, 82354904, 85859368, 87725876, 94284820, 102943630, 107324210, 109657345, 113353660, 125322680, 144121082, 175451752, 188569640, 205887260, 214648420, 219314690, 226707320, 288242164, 360302705, 411774520, 429296840, 438629380, 504423787, 576484328, 720605410, 877258760, 1008847574, 1441210820, 2017695148, 2522118935, 2882421640, 4035390296, 5044237870, 10088475740, 20176951480]

約数ペア:

[(1, 20176951480), (2, 10088475740), (4, 5044237870), (5, 4035390296), (7, 2882421640), (8, 2522118935), (10, 2017695148), (14, 1441210820), (20, 1008847574), (23, 877258760), (28, 720605410), (35, 576484328), (40, 504423787), (46, 438629380), (47, 429296840), (49, 411774520), (56, 360302705), (70, 288242164), (89, 226707320), (92, 219314690), (94, 214648420), (98, 205887260), (107, 188569640), (115, 175451752), (140, 144121082), (161, 125322680), (178, 113353660), (184, 109657345), (188, 107324210), (196, 102943630), (214, 94284820), (230, 87725876), (235, 85859368), (245, 82354904), (280, 72060541), (322, 62661340), (329, 61328120), (356, 56676830), (376, 53662105), (392, 51471815), (428, 47142410), (445, 45341464), (460, 43862938), (470, 42929684), (490, 41177452), (535, 37713928), (623, 32386760), (644, 31330670), (658, 30664060), (712, 28338415), (749, 26938520), (805, 25064536), (856, 23571205), (890, 22670732), (920, 21931469), (940, 21464842), (980, 20588726), (1070, 18856964), (1081, 18665080), (1127, 17903240), (1246, 16193380), (1288, 15665335), (1316, 15332030), (1498, 13469260), (1610, 12532268), (1645, 12265624), (1780, 11335366), (1880, 10732421), (1960, 10294363), (2047, 9856840), (2140, 9428482), (2162, 9332540), (2254, 8951620), (2303, 8761160), (2461, 8198680), (2492, 8096690), (2632, 7666015), (2996, 6734630), (3115, 6477352), (3220, 6266134), (3290, 6132812), (3560, 5667683), (3745, 5387704), (4094, 4928420), (4183, 4823560), (4280, 4714241), (4324, 4666270), (4361, 4626680), (4508, 4475810), (4606, 4380580), (4922, 4099340), (4984, 4048345), (5029, 4012120), (5243, 3848360), (5405, 3733016), (5635, 3580648), (5992, 3367315), (6230, 3238676), (6440, 3133067), (6580, 3066406), (7490, 2693852), (7567, 2666440), (8188, 2464210), (8366, 2411780), (8648, 2333135), (8722, 2313340), (9016, 2237905), (9212, 2190290), (9523, 2118760), (9844, 2049670), (10058, 2006060), (10235, 1971368), (10486, 1924180), (10810, 1866508), (11270, 1790324), (11515, 1752232), (12305, 1639736), (12460, 1619338), (13160, 1533203), (14329, 1408120), (14980, 1346926), (15134, 1333220), (16376, 1232105), (16732, 1205890), (17227, 1171240), (17444, 1156670), (18424, 1095145), (19046, 1059380), (19688, 1024835), (20116, 1003030), (20470, 985684), (20915, 964712), (20972, 962090), (21620, 933254), (21805, 925336), (22540, 895162), (23030, 876116), (24610, 819868), (24920, 809669), (25145, 802424), (26215, 769672), (28658, 704060), (29281, 689080), (29960, 673463), (30268, 666610), (33464, 602945), (34454, 585620), (34888, 578335), (35203, 573160), (37835, 533288), (38092, 529690), (40232, 501515), (40940, 492842), (41830, 482356), (41944, 481045), (43240, 466627), (43610, 462668), (45080, 447581), (46060, 438058), (47615, 423752), (49220, 409934), (50290, 401212), (52430, 384836), (52969, 380920), (57316, 352030), (58562, 344540), (60536, 333305), (66661, 302680), (68908, 292810), (70406, 286580), (71645, 281624), (75670, 266644), (76184, 264845), (81880, 246421), (83660, 241178), (86135, 234248), (87220, 231334), (92120, 219029), (95230, 211876), (96209, 209720), (98440, 204967), (100303, 201160), (100580, 200606), (104860, 192418), (105938, 190460), (114632, 176015), (115667, 174440), (117124, 172270), (120589, 167320), (133322, 151340), (137816, 146405), (140812, 143290)]