15381440

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 56

約数和(自身を含む): 37197792

約数和(自身を除く): 21816352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 677, 710, 1136, 1354, 1420, 2272, 2708, 2840, 3385, 4544, 5416, 5680, 6770, 10832, 11360, 13540, 21664, 22720, 27080, 43328, 48067, 54160, 96134, 108320, 192268, 216640, 240335, 384536, 480670, 769072, 961340, 1538144, 1922680, 3076288, 3845360, 7690720, 15381440]

約数ペア:

[(1, 15381440), (2, 7690720), (4, 3845360), (5, 3076288), (8, 1922680), (10, 1538144), (16, 961340), (20, 769072), (32, 480670), (40, 384536), (64, 240335), (71, 216640), (80, 192268), (142, 108320), (160, 96134), (284, 54160), (320, 48067), (355, 43328), (568, 27080), (677, 22720), (710, 21664), (1136, 13540), (1354, 11360), (1420, 10832), (2272, 6770), (2708, 5680), (2840, 5416), (3385, 4544)]