315702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 823011840

約数和(自身を除く): 507308920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 71, 85, 104, 130, 136, 142, 170, 221, 260, 284, 340, 355, 442, 503, 520, 568, 680, 710, 884, 923, 1006, 1105, 1207, 1420, 1768, 1846, 2012, 2210, 2414, 2515, 2840, 3692, 4024, 4420, 4615, 4828, 5030, 6035, 6539, 7384, 8551, 8840, 9230, 9656, 10060, 12070, 13078, 15691, 17102, 18460, 20120, 24140, 26156, 31382, 32695, 34204, 35713, 36920, 42755, 48280, 52312, 62764, 65390, 68408, 71426, 78455, 85510, 111163, 125528, 130780, 142852, 156910, 171020, 178565, 222326, 261560, 285704, 313820, 342040, 357130, 444652, 464269, 555815, 607121, 627640, 714260, 889304, 928538, 1111630, 1214242, 1428520, 1857076, 2223260, 2321345, 2428484, 3035605, 3714152, 4446520, 4642690, 4856968, 6071210, 7892573, 9285380, 12142420, 15785146, 18570760, 24284840, 31570292, 39462865, 63140584, 78925730, 157851460, 315702920]

約数ペア:

[(1, 315702920), (2, 157851460), (4, 78925730), (5, 63140584), (8, 39462865), (10, 31570292), (13, 24284840), (17, 18570760), (20, 15785146), (26, 12142420), (34, 9285380), (40, 7892573), (52, 6071210), (65, 4856968), (68, 4642690), (71, 4446520), (85, 3714152), (104, 3035605), (130, 2428484), (136, 2321345), (142, 2223260), (170, 1857076), (221, 1428520), (260, 1214242), (284, 1111630), (340, 928538), (355, 889304), (442, 714260), (503, 627640), (520, 607121), (568, 555815), (680, 464269), (710, 444652), (884, 357130), (923, 342040), (1006, 313820), (1105, 285704), (1207, 261560), (1420, 222326), (1768, 178565), (1846, 171020), (2012, 156910), (2210, 142852), (2414, 130780), (2515, 125528), (2840, 111163), (3692, 85510), (4024, 78455), (4420, 71426), (4615, 68408), (4828, 65390), (5030, 62764), (6035, 52312), (6539, 48280), (7384, 42755), (8551, 36920), (8840, 35713), (9230, 34204), (9656, 32695), (10060, 31382), (12070, 26156), (13078, 24140), (15691, 20120), (17102, 18460)]