15135880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 20426360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 97, 166, 188, 194, 235, 332, 376, 388, 415, 470, 485, 664, 776, 830, 940, 970, 1660, 1880, 1940, 3320, 3880, 3901, 4559, 7802, 8051, 9118, 15604, 16102, 18236, 19505, 22795, 31208, 32204, 36472, 39010, 40255, 45590, 64408, 78020, 80510, 91180, 156040, 161020, 182360, 322040, 378397, 756794, 1513588, 1891985, 3027176, 3783970, 7567940, 15135880]

約数ペア:

[(1, 15135880), (2, 7567940), (4, 3783970), (5, 3027176), (8, 1891985), (10, 1513588), (20, 756794), (40, 378397), (47, 322040), (83, 182360), (94, 161020), (97, 156040), (166, 91180), (188, 80510), (194, 78020), (235, 64408), (332, 45590), (376, 40255), (388, 39010), (415, 36472), (470, 32204), (485, 31208), (664, 22795), (776, 19505), (830, 18236), (940, 16102), (970, 15604), (1660, 9118), (1880, 8051), (1940, 7802), (3320, 4559), (3880, 3901)]