81041800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 217753920

約数和(自身を除く): 136712120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 107, 140, 175, 200, 214, 280, 350, 428, 535, 541, 700, 749, 856, 1070, 1082, 1400, 1498, 2140, 2164, 2675, 2705, 2996, 3745, 3787, 4280, 4328, 5350, 5410, 5992, 7490, 7574, 10700, 10820, 13525, 14980, 15148, 18725, 18935, 21400, 21640, 27050, 29960, 30296, 37450, 37870, 54100, 57887, 74900, 75740, 94675, 108200, 115774, 149800, 151480, 189350, 231548, 289435, 378700, 405209, 463096, 578870, 757400, 810418, 1157740, 1447175, 1620836, 2026045, 2315480, 2894350, 3241672, 4052090, 5788700, 8104180, 10130225, 11577400, 16208360, 20260450, 40520900, 81041800]

約数ペア:

[(1, 81041800), (2, 40520900), (4, 20260450), (5, 16208360), (7, 11577400), (8, 10130225), (10, 8104180), (14, 5788700), (20, 4052090), (25, 3241672), (28, 2894350), (35, 2315480), (40, 2026045), (50, 1620836), (56, 1447175), (70, 1157740), (100, 810418), (107, 757400), (140, 578870), (175, 463096), (200, 405209), (214, 378700), (280, 289435), (350, 231548), (428, 189350), (535, 151480), (541, 149800), (700, 115774), (749, 108200), (856, 94675), (1070, 75740), (1082, 74900), (1400, 57887), (1498, 54100), (2140, 37870), (2164, 37450), (2675, 30296), (2705, 29960), (2996, 27050), (3745, 21640), (3787, 21400), (4280, 18935), (4328, 18725), (5350, 15148), (5410, 14980), (5992, 13525), (7490, 10820), (7574, 10700)]