1237955240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{7621}}^1$

素因数の和:7794

約数の個数: 64

約数和(自身を含む): 2897579520

約数和(自身を除く): 1659624280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 620, 655, 1048, 1240, 1310, 2620, 4061, 5240, 7621, 8122, 15242, 16244, 20305, 30484, 32488, 38105, 40610, 60968, 76210, 81220, 152420, 162440, 236251, 304840, 472502, 945004, 998351, 1181255, 1890008, 1996702, 2362510, 3993404, 4725020, 4991755, 7986808, 9450040, 9983510, 19967020, 30948881, 39934040, 61897762, 123795524, 154744405, 247591048, 309488810, 618977620, 1237955240]

約数ペア:

[(1, 1237955240), (2, 618977620), (4, 309488810), (5, 247591048), (8, 154744405), (10, 123795524), (20, 61897762), (31, 39934040), (40, 30948881), (62, 19967020), (124, 9983510), (131, 9450040), (155, 7986808), (248, 4991755), (262, 4725020), (310, 3993404), (524, 2362510), (620, 1996702), (655, 1890008), (1048, 1181255), (1240, 998351), (1310, 945004), (2620, 472502), (4061, 304840), (5240, 236251), (7621, 162440), (8122, 152420), (15242, 81220), (16244, 76210), (20305, 60968), (30484, 40610), (32488, 38105)]