11181520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 30498048

約数和(自身を除く): 19316528

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, 487, 560, 574, 656, 820, 974, 1148, 1435, 1640, 1948, 2296, 2435, 2870, 3280, 3409, 3896, 4592, 4870, 5740, 6818, 7792, 9740, 11480, 13636, 17045, 19480, 19967, 22960, 27272, 34090, 38960, 39934, 54544, 68180, 79868, 99835, 136360, 139769, 159736, 199670, 272720, 279538, 319472, 399340, 559076, 698845, 798680, 1118152, 1397690, 1597360, 2236304, 2795380, 5590760, 11181520]

約数ペア:

[(1, 11181520), (2, 5590760), (4, 2795380), (5, 2236304), (7, 1597360), (8, 1397690), (10, 1118152), (14, 798680), (16, 698845), (20, 559076), (28, 399340), (35, 319472), (40, 279538), (41, 272720), (56, 199670), (70, 159736), (80, 139769), (82, 136360), (112, 99835), (140, 79868), (164, 68180), (205, 54544), (280, 39934), (287, 38960), (328, 34090), (410, 27272), (487, 22960), (560, 19967), (574, 19480), (656, 17045), (820, 13636), (974, 11480), (1148, 9740), (1435, 7792), (1640, 6818), (1948, 5740), (2296, 4870), (2435, 4592), (2870, 3896), (3280, 3409)]