15457220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 18508348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 233, 310, 428, 466, 535, 620, 932, 1070, 1165, 2140, 2330, 3317, 4660, 6634, 7223, 13268, 14446, 16585, 24931, 28892, 33170, 36115, 49862, 66340, 72230, 99724, 124655, 144460, 249310, 498620, 772861, 1545722, 3091444, 3864305, 7728610, 15457220]

約数ペア:

[(1, 15457220), (2, 7728610), (4, 3864305), (5, 3091444), (10, 1545722), (20, 772861), (31, 498620), (62, 249310), (107, 144460), (124, 124655), (155, 99724), (214, 72230), (233, 66340), (310, 49862), (428, 36115), (466, 33170), (535, 28892), (620, 24931), (932, 16585), (1070, 14446), (1165, 13268), (2140, 7223), (2330, 6634), (3317, 4660)]