15666040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 38828160

約数和(自身を除く): 23162120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 641, 940, 1222, 1282, 1880, 2444, 2564, 3055, 3205, 4888, 5128, 6110, 6410, 8333, 12220, 12820, 16666, 24440, 25640, 30127, 33332, 41665, 60254, 66664, 83330, 120508, 150635, 166660, 241016, 301270, 333320, 391651, 602540, 783302, 1205080, 1566604, 1958255, 3133208, 3916510, 7833020, 15666040]

約数ペア:

[(1, 15666040), (2, 7833020), (4, 3916510), (5, 3133208), (8, 1958255), (10, 1566604), (13, 1205080), (20, 783302), (26, 602540), (40, 391651), (47, 333320), (52, 301270), (65, 241016), (94, 166660), (104, 150635), (130, 120508), (188, 83330), (235, 66664), (260, 60254), (376, 41665), (470, 33332), (520, 30127), (611, 25640), (641, 24440), (940, 16666), (1222, 12820), (1282, 12220), (1880, 8333), (2444, 6410), (2564, 6110), (3055, 5128), (3205, 4888)]