65404360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2270

約数の個数: 64

約数和(自身を含む): 169804800

約数和(自身を除く): 104400440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2143, 2180, 3052, 3815, 4286, 4360, 6104, 7630, 8572, 10715, 15001, 15260, 17144, 21430, 30002, 30520, 42860, 60004, 75005, 85720, 120008, 150010, 233587, 300020, 467174, 600040, 934348, 1167935, 1635109, 1868696, 2335870, 3270218, 4671740, 6540436, 8175545, 9343480, 13080872, 16351090, 32702180, 65404360]

約数ペア:

[(1, 65404360), (2, 32702180), (4, 16351090), (5, 13080872), (7, 9343480), (8, 8175545), (10, 6540436), (14, 4671740), (20, 3270218), (28, 2335870), (35, 1868696), (40, 1635109), (56, 1167935), (70, 934348), (109, 600040), (140, 467174), (218, 300020), (280, 233587), (436, 150010), (545, 120008), (763, 85720), (872, 75005), (1090, 60004), (1526, 42860), (2143, 30520), (2180, 30002), (3052, 21430), (3815, 17144), (4286, 15260), (4360, 15001), (6104, 10715), (7630, 8572)]