78309140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2577

約数の個数: 96

約数和(自身を含む): 214389504

約数和(自身を除く): 136080364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 2531, 3094, 4420, 5062, 6188, 7735, 10124, 12655, 15470, 17717, 25310, 30940, 32903, 35434, 43027, 50620, 65806, 70868, 86054, 88585, 131612, 164515, 172108, 177170, 215135, 230321, 301189, 329030, 354340, 430270, 460642, 559351, 602378, 658060, 860540, 921284, 1118702, 1151605, 1204756, 1505945, 2237404, 2303210, 2796755, 3011890, 3915457, 4606420, 5593510, 6023780, 7830914, 11187020, 15661828, 19577285, 39154570, 78309140]

約数ペア:

[(1, 78309140), (2, 39154570), (4, 19577285), (5, 15661828), (7, 11187020), (10, 7830914), (13, 6023780), (14, 5593510), (17, 4606420), (20, 3915457), (26, 3011890), (28, 2796755), (34, 2303210), (35, 2237404), (52, 1505945), (65, 1204756), (68, 1151605), (70, 1118702), (85, 921284), (91, 860540), (119, 658060), (130, 602378), (140, 559351), (170, 460642), (182, 430270), (221, 354340), (238, 329030), (260, 301189), (340, 230321), (364, 215135), (442, 177170), (455, 172108), (476, 164515), (595, 131612), (884, 88585), (910, 86054), (1105, 70868), (1190, 65806), (1547, 50620), (1820, 43027), (2210, 35434), (2380, 32903), (2531, 30940), (3094, 25310), (4420, 17717), (5062, 15470), (6188, 12655), (7735, 10124)]