15793880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 21807400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 271, 310, 376, 470, 542, 620, 940, 1084, 1240, 1355, 1457, 1880, 2168, 2710, 2914, 5420, 5828, 7285, 8401, 10840, 11656, 12737, 14570, 16802, 25474, 29140, 33604, 42005, 50948, 58280, 63685, 67208, 84010, 101896, 127370, 168020, 254740, 336040, 394847, 509480, 789694, 1579388, 1974235, 3158776, 3948470, 7896940, 15793880]

約数ペア:

[(1, 15793880), (2, 7896940), (4, 3948470), (5, 3158776), (8, 1974235), (10, 1579388), (20, 789694), (31, 509480), (40, 394847), (47, 336040), (62, 254740), (94, 168020), (124, 127370), (155, 101896), (188, 84010), (235, 67208), (248, 63685), (271, 58280), (310, 50948), (376, 42005), (470, 33604), (542, 29140), (620, 25474), (940, 16802), (1084, 14570), (1240, 12737), (1355, 11656), (1457, 10840), (1880, 8401), (2168, 7285), (2710, 5828), (2914, 5420)]