68609040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{285871}}^1$

素因数の和:285887

約数の個数: 40

約数和(自身を含む): 212688768

約数和(自身を除く): 144079728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 285871, 571742, 857613, 1143484, 1429355, 1715226, 2286968, 2858710, 3430452, 4288065, 4573936, 5717420, 6860904, 8576130, 11434840, 13721808, 17152260, 22869680, 34304520, 68609040]

約数ペア:

[(1, 68609040), (2, 34304520), (3, 22869680), (4, 17152260), (5, 13721808), (6, 11434840), (8, 8576130), (10, 6860904), (12, 5717420), (15, 4573936), (16, 4288065), (20, 3430452), (24, 2858710), (30, 2286968), (40, 1715226), (48, 1429355), (60, 1143484), (80, 857613), (120, 571742), (240, 285871)]