7851420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 24294816

約数和(自身を除く): 16443396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 823, 954, 1060, 1590, 1646, 1908, 2385, 2469, 3180, 3292, 4115, 4770, 4938, 7407, 8230, 9540, 9876, 12345, 14814, 16460, 24690, 29628, 37035, 43619, 49380, 74070, 87238, 130857, 148140, 174476, 218095, 261714, 392571, 436190, 523428, 654285, 785142, 872380, 1308570, 1570284, 1962855, 2617140, 3925710, 7851420]

約数ペア:

[(1, 7851420), (2, 3925710), (3, 2617140), (4, 1962855), (5, 1570284), (6, 1308570), (9, 872380), (10, 785142), (12, 654285), (15, 523428), (18, 436190), (20, 392571), (30, 261714), (36, 218095), (45, 174476), (53, 148140), (60, 130857), (90, 87238), (106, 74070), (159, 49380), (180, 43619), (212, 37035), (265, 29628), (318, 24690), (477, 16460), (530, 14814), (636, 12345), (795, 9876), (823, 9540), (954, 8230), (1060, 7407), (1590, 4938), (1646, 4770), (1908, 4115), (2385, 3292), (2469, 3180)]