15127880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 34309440

約数和(自身を除く): 19181560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 2887, 5240, 5774, 11548, 14435, 23096, 28870, 57740, 115480, 378197, 756394, 1512788, 1890985, 3025576, 3781970, 7563940, 15127880]

約数ペア:

[(1, 15127880), (2, 7563940), (4, 3781970), (5, 3025576), (8, 1890985), (10, 1512788), (20, 756394), (40, 378197), (131, 115480), (262, 57740), (524, 28870), (655, 23096), (1048, 14435), (1310, 11548), (2620, 5774), (2887, 5240)]