20121802560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1367}}^1$

素因数の和:1678

約数の個数: 336

約数和(自身を含む): 73177603200

約数和(自身を除く): 53055800640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 269, 285, 288, 304, 320, 342, 360, 380, 456, 480, 538, 570, 576, 608, 684, 720, 760, 807, 855, 912, 960, 1076, 1140, 1216, 1345, 1367, 1368, 1440, 1520, 1614, 1710, 1824, 2152, 2280, 2421, 2690, 2734, 2736, 2880, 3040, 3228, 3420, 3648, 4035, 4101, 4304, 4560, 4842, 5111, 5380, 5468, 5472, 6080, 6456, 6835, 6840, 8070, 8202, 8608, 9120, 9684, 10222, 10760, 10936, 10944, 12105, 12303, 12912, 13670, 13680, 15333, 16140, 16404, 17216, 18240, 19368, 20444, 20505, 21520, 21872, 24210, 24606, 25555, 25824, 25973, 27340, 27360, 30666, 32280, 32808, 38736, 40888, 41010, 43040, 43744, 45999, 48420, 49212, 51110, 51648, 51946, 54680, 54720, 61332, 61515, 64560, 65616, 76665, 77472, 77919, 81776, 82020, 86080, 87488, 91998, 96840, 98424, 102220, 103892, 109360, 122664, 123030, 129120, 129865, 131232, 153330, 154944, 155838, 163552, 164040, 183996, 193680, 196848, 204440, 207784, 218720, 229995, 233757, 245328, 246060, 258240, 259730, 262464, 306660, 311676, 327104, 328080, 367723, 367992, 387360, 389595, 393696, 408880, 415568, 437440, 459990, 467514, 490656, 492120, 519460, 613320, 623352, 656160, 735446, 735984, 774720, 779190, 787392, 817760, 831136, 919980, 935028, 981312, 984240, 1038920, 1103169, 1168785, 1226640, 1246704, 1312320, 1470892, 1471968, 1558380, 1635520, 1662272, 1838615, 1839960, 1870056, 1968480, 2077840, 2206338, 2337570, 2453280, 2493408, 2941784, 2943936, 3116760, 3309507, 3677230, 3679920, 3740112, 3936960, 4155680, 4412676, 4675140, 4906560, 4986816, 5515845, 5883568, 6233520, 6619014, 6986737, 7354460, 7359840, 7480224, 8311360, 8825352, 9350280, 11031690, 11767136, 12467040, 13238028, 13973474, 14708920, 14719680, 14960448, 16547535, 17650704, 18700560, 20960211, 22063380, 23534272, 24934080, 26476056, 27946948, 29417840, 33095070, 34933685, 35301408, 37401120, 41920422, 44126760, 52952112, 55893896, 58835680, 62880633, 66190140, 69867370, 70602816, 74802240, 83840844, 88253520, 104801055, 105904224, 111787792, 117671360, 125761266, 132380280, 139734740, 167681688, 176507040, 209602110, 211808448, 223575584, 251522532, 264760560, 279469480, 314403165, 335363376, 353014080, 419204220, 447151168, 503045064, 529521120, 558938960, 628806330, 670726752, 838408440, 1006090128, 1059042240, 1117877920, 1257612660, 1341453504, 1676816880, 2012180256, 2235755840, 2515225320, 3353633760, 4024360512, 5030450640, 6707267520, 10060901280, 20121802560]

約数ペア:

[(1, 20121802560), (2, 10060901280), (3, 6707267520), (4, 5030450640), (5, 4024360512), (6, 3353633760), (8, 2515225320), (9, 2235755840), (10, 2012180256), (12, 1676816880), (15, 1341453504), (16, 1257612660), (18, 1117877920), (19, 1059042240), (20, 1006090128), (24, 838408440), (30, 670726752), (32, 628806330), (36, 558938960), (38, 529521120), (40, 503045064), (45, 447151168), (48, 419204220), (57, 353014080), (60, 335363376), (64, 314403165), (72, 279469480), (76, 264760560), (80, 251522532), (90, 223575584), (95, 211808448), (96, 209602110), (114, 176507040), (120, 167681688), (144, 139734740), (152, 132380280), (160, 125761266), (171, 117671360), (180, 111787792), (190, 105904224), (192, 104801055), (228, 88253520), (240, 83840844), (269, 74802240), (285, 70602816), (288, 69867370), (304, 66190140), (320, 62880633), (342, 58835680), (360, 55893896), (380, 52952112), (456, 44126760), (480, 41920422), (538, 37401120), (570, 35301408), (576, 34933685), (608, 33095070), (684, 29417840), (720, 27946948), (760, 26476056), (807, 24934080), (855, 23534272), (912, 22063380), (960, 20960211), (1076, 18700560), (1140, 17650704), (1216, 16547535), (1345, 14960448), (1367, 14719680), (1368, 14708920), (1440, 13973474), (1520, 13238028), (1614, 12467040), (1710, 11767136), (1824, 11031690), (2152, 9350280), (2280, 8825352), (2421, 8311360), (2690, 7480224), (2734, 7359840), (2736, 7354460), (2880, 6986737), (3040, 6619014), (3228, 6233520), (3420, 5883568), (3648, 5515845), (4035, 4986816), (4101, 4906560), (4304, 4675140), (4560, 4412676), (4842, 4155680), (5111, 3936960), (5380, 3740112), (5468, 3679920), (5472, 3677230), (6080, 3309507), (6456, 3116760), (6835, 2943936), (6840, 2941784), (8070, 2493408), (8202, 2453280), (8608, 2337570), (9120, 2206338), (9684, 2077840), (10222, 1968480), (10760, 1870056), (10936, 1839960), (10944, 1838615), (12105, 1662272), (12303, 1635520), (12912, 1558380), (13670, 1471968), (13680, 1470892), (15333, 1312320), (16140, 1246704), (16404, 1226640), (17216, 1168785), (18240, 1103169), (19368, 1038920), (20444, 984240), (20505, 981312), (21520, 935028), (21872, 919980), (24210, 831136), (24606, 817760), (25555, 787392), (25824, 779190), (25973, 774720), (27340, 735984), (27360, 735446), (30666, 656160), (32280, 623352), (32808, 613320), (38736, 519460), (40888, 492120), (41010, 490656), (43040, 467514), (43744, 459990), (45999, 437440), (48420, 415568), (49212, 408880), (51110, 393696), (51648, 389595), (51946, 387360), (54680, 367992), (54720, 367723), (61332, 328080), (61515, 327104), (64560, 311676), (65616, 306660), (76665, 262464), (77472, 259730), (77919, 258240), (81776, 246060), (82020, 245328), (86080, 233757), (87488, 229995), (91998, 218720), (96840, 207784), (98424, 204440), (102220, 196848), (103892, 193680), (109360, 183996), (122664, 164040), (123030, 163552), (129120, 155838), (129865, 154944), (131232, 153330)]