15193220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 22062460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2309, 3290, 4618, 6580, 9236, 11545, 16163, 23090, 32326, 46180, 64652, 80815, 108523, 161630, 217046, 323260, 434092, 542615, 759661, 1085230, 1519322, 2170460, 3038644, 3798305, 7596610, 15193220]

約数ペア:

[(1, 15193220), (2, 7596610), (4, 3798305), (5, 3038644), (7, 2170460), (10, 1519322), (14, 1085230), (20, 759661), (28, 542615), (35, 434092), (47, 323260), (70, 217046), (94, 161630), (140, 108523), (188, 80815), (235, 64652), (329, 46180), (470, 32326), (658, 23090), (940, 16163), (1316, 11545), (1645, 9236), (2309, 6580), (3290, 4618)]