81511290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1316

約数の個数: 96

約数和(自身を含む): 244632960

約数和(自身を除く): 163121670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 109, 126, 210, 218, 315, 327, 545, 630, 654, 763, 981, 1090, 1187, 1526, 1635, 1962, 2289, 2374, 3270, 3561, 3815, 4578, 4905, 5935, 6867, 7122, 7630, 8309, 9810, 10683, 11445, 11870, 13734, 16618, 17805, 21366, 22890, 24927, 34335, 35610, 41545, 49854, 53415, 68670, 74781, 83090, 106830, 124635, 129383, 149562, 249270, 258766, 373905, 388149, 646915, 747810, 776298, 905681, 1164447, 1293830, 1811362, 1940745, 2328894, 2717043, 3881490, 4528405, 5434086, 5822235, 8151129, 9056810, 11644470, 13585215, 16302258, 27170430, 40755645, 81511290]

約数ペア:

[(1, 81511290), (2, 40755645), (3, 27170430), (5, 16302258), (6, 13585215), (7, 11644470), (9, 9056810), (10, 8151129), (14, 5822235), (15, 5434086), (18, 4528405), (21, 3881490), (30, 2717043), (35, 2328894), (42, 1940745), (45, 1811362), (63, 1293830), (70, 1164447), (90, 905681), (105, 776298), (109, 747810), (126, 646915), (210, 388149), (218, 373905), (315, 258766), (327, 249270), (545, 149562), (630, 129383), (654, 124635), (763, 106830), (981, 83090), (1090, 74781), (1187, 68670), (1526, 53415), (1635, 49854), (1962, 41545), (2289, 35610), (2374, 34335), (3270, 24927), (3561, 22890), (3815, 21366), (4578, 17805), (4905, 16618), (5935, 13734), (6867, 11870), (7122, 11445), (7630, 10683), (8309, 9810)]