81625740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1783}}^1$

素因数の和:1911

約数の個数: 96

約数和(自身を含む): 263746560

約数和(自身を除く): 182120820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 1783, 2180, 2289, 3052, 3270, 3566, 3815, 4578, 5349, 6540, 7132, 7630, 8915, 9156, 10698, 11445, 12481, 15260, 17830, 21396, 22890, 24962, 26745, 35660, 37443, 45780, 49924, 53490, 62405, 74886, 106980, 124810, 149772, 187215, 194347, 249620, 374430, 388694, 583041, 748860, 777388, 971735, 1166082, 1360429, 1943470, 2332164, 2720858, 2915205, 3886940, 4081287, 5441716, 5830410, 6802145, 8162574, 11660820, 13604290, 16325148, 20406435, 27208580, 40812870, 81625740]

約数ペア:

[(1, 81625740), (2, 40812870), (3, 27208580), (4, 20406435), (5, 16325148), (6, 13604290), (7, 11660820), (10, 8162574), (12, 6802145), (14, 5830410), (15, 5441716), (20, 4081287), (21, 3886940), (28, 2915205), (30, 2720858), (35, 2332164), (42, 1943470), (60, 1360429), (70, 1166082), (84, 971735), (105, 777388), (109, 748860), (140, 583041), (210, 388694), (218, 374430), (327, 249620), (420, 194347), (436, 187215), (545, 149772), (654, 124810), (763, 106980), (1090, 74886), (1308, 62405), (1526, 53490), (1635, 49924), (1783, 45780), (2180, 37443), (2289, 35660), (3052, 26745), (3270, 24962), (3566, 22890), (3815, 21396), (4578, 17830), (5349, 15260), (6540, 12481), (7132, 11445), (7630, 10698), (8915, 9156)]