1666883960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{121493}}^1$

素因数の和:121525

約数の個数: 64

約数和(自身を含む): 4373784000

約数和(自身を除く): 2706900040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 121493, 242986, 485972, 607465, 850451, 971944, 1214930, 1700902, 2429860, 3401804, 4252255, 4859720, 5953157, 6803608, 8504510, 11906314, 17009020, 23812628, 29765785, 34018040, 41672099, 47625256, 59531570, 83344198, 119063140, 166688396, 208360495, 238126280, 333376792, 416720990, 833441980, 1666883960]

約数ペア:

[(1, 1666883960), (2, 833441980), (4, 416720990), (5, 333376792), (7, 238126280), (8, 208360495), (10, 166688396), (14, 119063140), (20, 83344198), (28, 59531570), (35, 47625256), (40, 41672099), (49, 34018040), (56, 29765785), (70, 23812628), (98, 17009020), (140, 11906314), (196, 8504510), (245, 6803608), (280, 5953157), (343, 4859720), (392, 4252255), (490, 3401804), (686, 2429860), (980, 1700902), (1372, 1214930), (1715, 971944), (1960, 850451), (2744, 607465), (3430, 485972), (6860, 242986), (13720, 121493)]