15397960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 35666100

約数和(自身を除く): 20268140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 229, 328, 410, 458, 820, 916, 1145, 1640, 1681, 1832, 2290, 3362, 4580, 6724, 8405, 9160, 9389, 13448, 16810, 18778, 33620, 37556, 46945, 67240, 75112, 93890, 187780, 375560, 384949, 769898, 1539796, 1924745, 3079592, 3849490, 7698980, 15397960]

約数ペア:

[(1, 15397960), (2, 7698980), (4, 3849490), (5, 3079592), (8, 1924745), (10, 1539796), (20, 769898), (40, 384949), (41, 375560), (82, 187780), (164, 93890), (205, 75112), (229, 67240), (328, 46945), (410, 37556), (458, 33620), (820, 18778), (916, 16810), (1145, 13448), (1640, 9389), (1681, 9160), (1832, 8405), (2290, 6724), (3362, 4580)]