855420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 2449440

約数和(自身を除く): 1594020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 269, 318, 530, 538, 636, 795, 807, 1060, 1076, 1345, 1590, 1614, 2690, 3180, 3228, 4035, 5380, 8070, 14257, 16140, 28514, 42771, 57028, 71285, 85542, 142570, 171084, 213855, 285140, 427710, 855420]

約数ペア:

[(1, 855420), (2, 427710), (3, 285140), (4, 213855), (5, 171084), (6, 142570), (10, 85542), (12, 71285), (15, 57028), (20, 42771), (30, 28514), (53, 16140), (60, 14257), (106, 8070), (159, 5380), (212, 4035), (265, 3228), (269, 3180), (318, 2690), (530, 1614), (538, 1590), (636, 1345), (795, 1076), (807, 1060)]