15406760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 37195200

約数和(自身を除く): 21788440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 163, 170, 278, 326, 340, 556, 652, 680, 695, 815, 1112, 1304, 1390, 1630, 2363, 2771, 2780, 3260, 4726, 5542, 5560, 6520, 9452, 11084, 11815, 13855, 18904, 22168, 22657, 23630, 27710, 45314, 47260, 55420, 90628, 94520, 110840, 113285, 181256, 226570, 385169, 453140, 770338, 906280, 1540676, 1925845, 3081352, 3851690, 7703380, 15406760]

約数ペア:

[(1, 15406760), (2, 7703380), (4, 3851690), (5, 3081352), (8, 1925845), (10, 1540676), (17, 906280), (20, 770338), (34, 453140), (40, 385169), (68, 226570), (85, 181256), (136, 113285), (139, 110840), (163, 94520), (170, 90628), (278, 55420), (326, 47260), (340, 45314), (556, 27710), (652, 23630), (680, 22657), (695, 22168), (815, 18904), (1112, 13855), (1304, 11815), (1390, 11084), (1630, 9452), (2363, 6520), (2771, 5560), (2780, 5542), (3260, 4726)]