1285038120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{289423}}^1$

素因数の和:289474

約数の個数: 64

約数和(自身を含む): 3959320320

約数和(自身を除く): 2674282200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 289423, 578846, 868269, 1157692, 1447115, 1736538, 2315384, 2894230, 3473076, 4341345, 5788460, 6946152, 8682690, 10708651, 11576920, 17365380, 21417302, 32125953, 34730760, 42834604, 53543255, 64251906, 85669208, 107086510, 128503812, 160629765, 214173020, 257007624, 321259530, 428346040, 642519060, 1285038120]

約数ペア:

[(1, 1285038120), (2, 642519060), (3, 428346040), (4, 321259530), (5, 257007624), (6, 214173020), (8, 160629765), (10, 128503812), (12, 107086510), (15, 85669208), (20, 64251906), (24, 53543255), (30, 42834604), (37, 34730760), (40, 32125953), (60, 21417302), (74, 17365380), (111, 11576920), (120, 10708651), (148, 8682690), (185, 6946152), (222, 5788460), (296, 4341345), (370, 3473076), (444, 2894230), (555, 2315384), (740, 1736538), (888, 1447115), (1110, 1157692), (1480, 868269), (2220, 578846), (4440, 289423)]