15682960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 38497536

約数和(自身を除く): 22814576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 97, 172, 188, 194, 215, 235, 344, 376, 388, 430, 470, 485, 688, 752, 776, 860, 940, 970, 1552, 1720, 1880, 1940, 2021, 3440, 3760, 3880, 4042, 4171, 4559, 7760, 8084, 8342, 9118, 10105, 16168, 16684, 18236, 20210, 20855, 22795, 32336, 33368, 36472, 40420, 41710, 45590, 66736, 72944, 80840, 83420, 91180, 161680, 166840, 182360, 196037, 333680, 364720, 392074, 784148, 980185, 1568296, 1960370, 3136592, 3920740, 7841480, 15682960]

約数ペア:

[(1, 15682960), (2, 7841480), (4, 3920740), (5, 3136592), (8, 1960370), (10, 1568296), (16, 980185), (20, 784148), (40, 392074), (43, 364720), (47, 333680), (80, 196037), (86, 182360), (94, 166840), (97, 161680), (172, 91180), (188, 83420), (194, 80840), (215, 72944), (235, 66736), (344, 45590), (376, 41710), (388, 40420), (430, 36472), (470, 33368), (485, 32336), (688, 22795), (752, 20855), (776, 20210), (860, 18236), (940, 16684), (970, 16168), (1552, 10105), (1720, 9118), (1880, 8342), (1940, 8084), (2021, 7760), (3440, 4559), (3760, 4171), (3880, 4042)]