257924960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:544

約数の個数: 96

約数和(自身を含む): 635040000

約数和(自身を除く): 377115040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 149, 155, 160, 248, 298, 310, 349, 496, 596, 620, 698, 745, 992, 1192, 1240, 1396, 1490, 1745, 2384, 2480, 2792, 2980, 3490, 4619, 4768, 4960, 5584, 5960, 6980, 9238, 10819, 11168, 11920, 13960, 18476, 21638, 23095, 23840, 27920, 36952, 43276, 46190, 52001, 54095, 55840, 73904, 86552, 92380, 104002, 108190, 147808, 173104, 184760, 208004, 216380, 260005, 346208, 369520, 416008, 432760, 520010, 739040, 832016, 865520, 1040020, 1612031, 1664032, 1731040, 2080040, 3224062, 4160080, 6448124, 8060155, 8320160, 12896248, 16120310, 25792496, 32240620, 51584992, 64481240, 128962480, 257924960]

約数ペア:

[(1, 257924960), (2, 128962480), (4, 64481240), (5, 51584992), (8, 32240620), (10, 25792496), (16, 16120310), (20, 12896248), (31, 8320160), (32, 8060155), (40, 6448124), (62, 4160080), (80, 3224062), (124, 2080040), (149, 1731040), (155, 1664032), (160, 1612031), (248, 1040020), (298, 865520), (310, 832016), (349, 739040), (496, 520010), (596, 432760), (620, 416008), (698, 369520), (745, 346208), (992, 260005), (1192, 216380), (1240, 208004), (1396, 184760), (1490, 173104), (1745, 147808), (2384, 108190), (2480, 104002), (2792, 92380), (2980, 86552), (3490, 73904), (4619, 55840), (4768, 54095), (4960, 52001), (5584, 46190), (5960, 43276), (6980, 36952), (9238, 27920), (10819, 23840), (11168, 23095), (11920, 21638), (13960, 18476)]