661057080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{3989}}^1$

素因数の和:5384

約数の個数: 64

約数和(自身を含む): 1985104800

約数和(自身を除く): 1324047720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1381, 2762, 3989, 4143, 5524, 6905, 7978, 8286, 11048, 11967, 13810, 15956, 16572, 19945, 20715, 23934, 27620, 31912, 33144, 39890, 41430, 47868, 55240, 59835, 79780, 82860, 95736, 119670, 159560, 165720, 239340, 478680, 5508809, 11017618, 16526427, 22035236, 27544045, 33052854, 44070472, 55088090, 66105708, 82632135, 110176180, 132211416, 165264270, 220352360, 330528540, 661057080]

約数ペア:

[(1, 661057080), (2, 330528540), (3, 220352360), (4, 165264270), (5, 132211416), (6, 110176180), (8, 82632135), (10, 66105708), (12, 55088090), (15, 44070472), (20, 33052854), (24, 27544045), (30, 22035236), (40, 16526427), (60, 11017618), (120, 5508809), (1381, 478680), (2762, 239340), (3989, 165720), (4143, 159560), (5524, 119670), (6905, 95736), (7978, 82860), (8286, 79780), (11048, 59835), (11967, 55240), (13810, 47868), (15956, 41430), (16572, 39890), (19945, 33144), (20715, 31912), (23934, 27620)]