28168080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 87863424

約数和(自身を除く): 59695344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 482, 487, 723, 964, 974, 1205, 1446, 1461, 1928, 1948, 2410, 2435, 2892, 2922, 3615, 3856, 3896, 4820, 4870, 5784, 5844, 7230, 7305, 7792, 9640, 9740, 11568, 11688, 14460, 14610, 19280, 19480, 23376, 28920, 29220, 38960, 57840, 58440, 116880, 117367, 234734, 352101, 469468, 586835, 704202, 938936, 1173670, 1408404, 1760505, 1877872, 2347340, 2816808, 3521010, 4694680, 5633616, 7042020, 9389360, 14084040, 28168080]

約数ペア:

[(1, 28168080), (2, 14084040), (3, 9389360), (4, 7042020), (5, 5633616), (6, 4694680), (8, 3521010), (10, 2816808), (12, 2347340), (15, 1877872), (16, 1760505), (20, 1408404), (24, 1173670), (30, 938936), (40, 704202), (48, 586835), (60, 469468), (80, 352101), (120, 234734), (240, 117367), (241, 116880), (482, 58440), (487, 57840), (723, 38960), (964, 29220), (974, 28920), (1205, 23376), (1446, 19480), (1461, 19280), (1928, 14610), (1948, 14460), (2410, 11688), (2435, 11568), (2892, 9740), (2922, 9640), (3615, 7792), (3856, 7305), (3896, 7230), (4820, 5844), (4870, 5784)]