64387920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268283}}^1$

素因数の和:268299

約数の個数: 40

約数和(自身を含む): 199603296

約数和(自身を除く): 135215376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268283, 536566, 804849, 1073132, 1341415, 1609698, 2146264, 2682830, 3219396, 4024245, 4292528, 5365660, 6438792, 8048490, 10731320, 12877584, 16096980, 21462640, 32193960, 64387920]

約数ペア:

[(1, 64387920), (2, 32193960), (3, 21462640), (4, 16096980), (5, 12877584), (6, 10731320), (8, 8048490), (10, 6438792), (12, 5365660), (15, 4292528), (16, 4024245), (20, 3219396), (24, 2682830), (30, 2146264), (40, 1609698), (48, 1341415), (60, 1073132), (80, 804849), (120, 536566), (240, 268283)]