18902040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 38674920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2351, 2680, 4020, 4702, 7053, 8040, 9404, 11755, 14106, 18808, 23510, 28212, 35265, 47020, 56424, 70530, 94040, 141060, 157517, 282120, 315034, 472551, 630068, 787585, 945102, 1260136, 1575170, 1890204, 2362755, 3150340, 3780408, 4725510, 6300680, 9451020, 18902040]

約数ペア:

[(1, 18902040), (2, 9451020), (3, 6300680), (4, 4725510), (5, 3780408), (6, 3150340), (8, 2362755), (10, 1890204), (12, 1575170), (15, 1260136), (20, 945102), (24, 787585), (30, 630068), (40, 472551), (60, 315034), (67, 282120), (120, 157517), (134, 141060), (201, 94040), (268, 70530), (335, 56424), (402, 47020), (536, 35265), (670, 28212), (804, 23510), (1005, 18808), (1340, 14106), (1608, 11755), (2010, 9404), (2351, 8040), (2680, 7053), (4020, 4702)]