256422120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6827}}^1$

素因数の和:7154

約数の個数: 64

約数和(自身を含む): 771837120

約数和(自身を除く): 515415000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 626, 939, 1252, 1565, 1878, 2504, 3130, 3756, 4695, 6260, 6827, 7512, 9390, 12520, 13654, 18780, 20481, 27308, 34135, 37560, 40962, 54616, 68270, 81924, 102405, 136540, 163848, 204810, 273080, 409620, 819240, 2136851, 4273702, 6410553, 8547404, 10684255, 12821106, 17094808, 21368510, 25642212, 32052765, 42737020, 51284424, 64105530, 85474040, 128211060, 256422120]

約数ペア:

[(1, 256422120), (2, 128211060), (3, 85474040), (4, 64105530), (5, 51284424), (6, 42737020), (8, 32052765), (10, 25642212), (12, 21368510), (15, 17094808), (20, 12821106), (24, 10684255), (30, 8547404), (40, 6410553), (60, 4273702), (120, 2136851), (313, 819240), (626, 409620), (939, 273080), (1252, 204810), (1565, 163848), (1878, 136540), (2504, 102405), (3130, 81924), (3756, 68270), (4695, 54616), (6260, 40962), (6827, 37560), (7512, 34135), (9390, 27308), (12520, 20481), (13654, 18780)]