15691974280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 36976383360

約数和(自身を除く): 21284409080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 227, 244, 305, 328, 410, 454, 488, 610, 691, 820, 908, 1135, 1220, 1382, 1640, 1816, 2270, 2440, 2501, 2764, 3455, 4540, 5002, 5528, 6910, 9080, 9307, 10004, 12505, 13820, 13847, 18614, 20008, 25010, 27640, 27694, 28331, 37228, 42151, 46535, 50020, 55388, 56662, 69235, 74456, 84302, 93070, 100040, 110776, 113324, 138470, 141655, 156857, 168604, 186140, 210755, 226648, 276940, 283310, 313714, 337208, 372280, 421510, 553880, 566620, 567727, 627428, 784285, 843020, 1133240, 1135454, 1254856, 1568570, 1686040, 1728191, 2270908, 2838635, 3137140, 3456382, 4541816, 5677270, 6274280, 6431137, 6912764, 8640955, 9568277, 11354540, 12862274, 13825528, 17281910, 19136554, 22709080, 25724548, 32155685, 34563820, 38273108, 47841385, 51449096, 64311370, 69127640, 76546216, 95682770, 128622740, 191365540, 257245480, 382731080, 392299357, 784598714, 1569197428, 1961496785, 3138394856, 3922993570, 7845987140, 15691974280]

約数ペア:

[(1, 15691974280), (2, 7845987140), (4, 3922993570), (5, 3138394856), (8, 1961496785), (10, 1569197428), (20, 784598714), (40, 392299357), (41, 382731080), (61, 257245480), (82, 191365540), (122, 128622740), (164, 95682770), (205, 76546216), (227, 69127640), (244, 64311370), (305, 51449096), (328, 47841385), (410, 38273108), (454, 34563820), (488, 32155685), (610, 25724548), (691, 22709080), (820, 19136554), (908, 17281910), (1135, 13825528), (1220, 12862274), (1382, 11354540), (1640, 9568277), (1816, 8640955), (2270, 6912764), (2440, 6431137), (2501, 6274280), (2764, 5677270), (3455, 4541816), (4540, 3456382), (5002, 3137140), (5528, 2838635), (6910, 2270908), (9080, 1728191), (9307, 1686040), (10004, 1568570), (12505, 1254856), (13820, 1135454), (13847, 1133240), (18614, 843020), (20008, 784285), (25010, 627428), (27640, 567727), (27694, 566620), (28331, 553880), (37228, 421510), (42151, 372280), (46535, 337208), (50020, 313714), (55388, 283310), (56662, 276940), (69235, 226648), (74456, 210755), (84302, 186140), (93070, 168604), (100040, 156857), (110776, 141655), (113324, 138470)]