1669651240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1\times {\mathrm{797}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 3812780160

約数和(自身を除く): 2143128920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 631, 664, 797, 830, 1262, 1594, 1660, 2524, 3155, 3188, 3320, 3985, 5048, 6310, 6376, 7970, 12620, 15940, 25240, 31880, 52373, 66151, 104746, 132302, 209492, 261865, 264604, 330755, 418984, 502907, 523730, 529208, 661510, 1005814, 1047460, 1323020, 2011628, 2094920, 2514535, 2646040, 4023256, 5029070, 10058140, 20116280, 41741281, 83482562, 166965124, 208706405, 333930248, 417412810, 834825620, 1669651240]

約数ペア:

[(1, 1669651240), (2, 834825620), (4, 417412810), (5, 333930248), (8, 208706405), (10, 166965124), (20, 83482562), (40, 41741281), (83, 20116280), (166, 10058140), (332, 5029070), (415, 4023256), (631, 2646040), (664, 2514535), (797, 2094920), (830, 2011628), (1262, 1323020), (1594, 1047460), (1660, 1005814), (2524, 661510), (3155, 529208), (3188, 523730), (3320, 502907), (3985, 418984), (5048, 330755), (6310, 264604), (6376, 261865), (7970, 209492), (12620, 132302), (15940, 104746), (25240, 66151), (31880, 52373)]