212821080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24979}}^1$

素因数の和:25064

約数の個数: 64

約数和(自身を含む): 647481600

約数和(自身を除く): 434660520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 24979, 49958, 74937, 99916, 124895, 149874, 199832, 249790, 299748, 374685, 499580, 599496, 749370, 999160, 1498740, 1773509, 2997480, 3547018, 5320527, 7094036, 8867545, 10641054, 14188072, 17735090, 21282108, 26602635, 35470180, 42564216, 53205270, 70940360, 106410540, 212821080]

約数ペア:

[(1, 212821080), (2, 106410540), (3, 70940360), (4, 53205270), (5, 42564216), (6, 35470180), (8, 26602635), (10, 21282108), (12, 17735090), (15, 14188072), (20, 10641054), (24, 8867545), (30, 7094036), (40, 5320527), (60, 3547018), (71, 2997480), (120, 1773509), (142, 1498740), (213, 999160), (284, 749370), (355, 599496), (426, 499580), (568, 374685), (710, 299748), (852, 249790), (1065, 199832), (1420, 149874), (1704, 124895), (2130, 99916), (2840, 74937), (4260, 49958), (8520, 24979)]