1617560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 4276800

約数和(自身を除く): 2659240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 109, 140, 212, 218, 265, 280, 371, 424, 436, 530, 545, 742, 763, 872, 1060, 1090, 1484, 1526, 1855, 2120, 2180, 2968, 3052, 3710, 3815, 4360, 5777, 6104, 7420, 7630, 11554, 14840, 15260, 23108, 28885, 30520, 40439, 46216, 57770, 80878, 115540, 161756, 202195, 231080, 323512, 404390, 808780, 1617560]

約数ペア:

[(1, 1617560), (2, 808780), (4, 404390), (5, 323512), (7, 231080), (8, 202195), (10, 161756), (14, 115540), (20, 80878), (28, 57770), (35, 46216), (40, 40439), (53, 30520), (56, 28885), (70, 23108), (106, 15260), (109, 14840), (140, 11554), (212, 7630), (218, 7420), (265, 6104), (280, 5777), (371, 4360), (424, 3815), (436, 3710), (530, 3052), (545, 2968), (742, 2180), (763, 2120), (872, 1855), (1060, 1526), (1090, 1484)]