28481640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21577}}^1$

素因数の和:21602

約数の個数: 64

約数和(自身を含む): 93216960

約数和(自身を除く): 64735320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21577, 43154, 64731, 86308, 107885, 129462, 172616, 215770, 237347, 258924, 323655, 431540, 474694, 517848, 647310, 712041, 863080, 949388, 1186735, 1294620, 1424082, 1898776, 2373470, 2589240, 2848164, 3560205, 4746940, 5696328, 7120410, 9493880, 14240820, 28481640]

約数ペア:

[(1, 28481640), (2, 14240820), (3, 9493880), (4, 7120410), (5, 5696328), (6, 4746940), (8, 3560205), (10, 2848164), (11, 2589240), (12, 2373470), (15, 1898776), (20, 1424082), (22, 1294620), (24, 1186735), (30, 949388), (33, 863080), (40, 712041), (44, 647310), (55, 517848), (60, 474694), (66, 431540), (88, 323655), (110, 258924), (120, 237347), (132, 215770), (165, 172616), (220, 129462), (264, 107885), (330, 86308), (440, 64731), (660, 43154), (1320, 21577)]