15543920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 42372288

約数和(自身を除く): 26828368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 677, 820, 1148, 1354, 1435, 1640, 2296, 2708, 2870, 3280, 3385, 4592, 4739, 5416, 5740, 6770, 9478, 10832, 11480, 13540, 18956, 22960, 23695, 27080, 27757, 37912, 47390, 54160, 55514, 75824, 94780, 111028, 138785, 189560, 194299, 222056, 277570, 379120, 388598, 444112, 555140, 777196, 971495, 1110280, 1554392, 1942990, 2220560, 3108784, 3885980, 7771960, 15543920]

約数ペア:

[(1, 15543920), (2, 7771960), (4, 3885980), (5, 3108784), (7, 2220560), (8, 1942990), (10, 1554392), (14, 1110280), (16, 971495), (20, 777196), (28, 555140), (35, 444112), (40, 388598), (41, 379120), (56, 277570), (70, 222056), (80, 194299), (82, 189560), (112, 138785), (140, 111028), (164, 94780), (205, 75824), (280, 55514), (287, 54160), (328, 47390), (410, 37912), (560, 27757), (574, 27080), (656, 23695), (677, 22960), (820, 18956), (1148, 13540), (1354, 11480), (1435, 10832), (1640, 9478), (2296, 6770), (2708, 5740), (2870, 5416), (3280, 4739), (3385, 4592)]