123027640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 294710400

約数和(自身を除く): 171682760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 340, 478, 680, 757, 956, 1195, 1514, 1912, 2390, 3028, 3785, 4063, 4780, 6056, 7570, 8126, 9560, 12869, 15140, 16252, 20315, 25738, 30280, 32504, 40630, 51476, 64345, 81260, 102952, 128690, 162520, 180923, 257380, 361846, 514760, 723692, 904615, 1447384, 1809230, 3075691, 3618460, 6151382, 7236920, 12302764, 15378455, 24605528, 30756910, 61513820, 123027640]

約数ペア:

[(1, 123027640), (2, 61513820), (4, 30756910), (5, 24605528), (8, 15378455), (10, 12302764), (17, 7236920), (20, 6151382), (34, 3618460), (40, 3075691), (68, 1809230), (85, 1447384), (136, 904615), (170, 723692), (239, 514760), (340, 361846), (478, 257380), (680, 180923), (757, 162520), (956, 128690), (1195, 102952), (1514, 81260), (1912, 64345), (2390, 51476), (3028, 40630), (3785, 32504), (4063, 30280), (4780, 25738), (6056, 20315), (7570, 16252), (8126, 15140), (9560, 12869)]