81675240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6361}}^1$

素因数の和:6482

約数の個数: 64

約数和(自身を含む): 247354560

約数和(自身を除く): 165679320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6361, 6420, 12722, 12840, 19083, 25444, 31805, 38166, 50888, 63610, 76332, 95415, 127220, 152664, 190830, 254440, 381660, 680627, 763320, 1361254, 2041881, 2722508, 3403135, 4083762, 5445016, 6806270, 8167524, 10209405, 13612540, 16335048, 20418810, 27225080, 40837620, 81675240]

約数ペア:

[(1, 81675240), (2, 40837620), (3, 27225080), (4, 20418810), (5, 16335048), (6, 13612540), (8, 10209405), (10, 8167524), (12, 6806270), (15, 5445016), (20, 4083762), (24, 3403135), (30, 2722508), (40, 2041881), (60, 1361254), (107, 763320), (120, 680627), (214, 381660), (321, 254440), (428, 190830), (535, 152664), (642, 127220), (856, 95415), (1070, 76332), (1284, 63610), (1605, 50888), (2140, 38166), (2568, 31805), (3210, 25444), (4280, 19083), (6361, 12840), (6420, 12722)]