138708420

素因数分解:

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

素因数の和:941

約数の個数: 72

約数和(自身を含む): 396330816

約数和(自身を除く): 257622396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 823, 1060, 1590, 1646, 2469, 2809, 3180, 3292, 4115, 4938, 5618, 8230, 8427, 9876, 11236, 12345, 14045, 16460, 16854, 24690, 28090, 33708, 42135, 43619, 49380, 56180, 84270, 87238, 130857, 168540, 174476, 218095, 261714, 436190, 523428, 654285, 872380, 1308570, 2311807, 2617140, 4623614, 6935421, 9247228, 11559035, 13870842, 23118070, 27741684, 34677105, 46236140, 69354210, 138708420]

約数ペア:

[(1, 138708420), (2, 69354210), (3, 46236140), (4, 34677105), (5, 27741684), (6, 23118070), (10, 13870842), (12, 11559035), (15, 9247228), (20, 6935421), (30, 4623614), (53, 2617140), (60, 2311807), (106, 1308570), (159, 872380), (212, 654285), (265, 523428), (318, 436190), (530, 261714), (636, 218095), (795, 174476), (823, 168540), (1060, 130857), (1590, 87238), (1646, 84270), (2469, 56180), (2809, 49380), (3180, 43619), (3292, 42135), (4115, 33708), (4938, 28090), (5618, 24690), (8230, 16854), (8427, 16460), (9876, 14045), (11236, 12345)]