81167730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1259}}^1$

素因数の和:1583

約数の個数: 64

約数和(自身を含む): 223534080

約数和(自身を除く): 142366350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 307, 614, 921, 1259, 1535, 1842, 2149, 2518, 3070, 3777, 4298, 4605, 6295, 6447, 7554, 8813, 9210, 10745, 12590, 12894, 17626, 18885, 21490, 26439, 32235, 37770, 44065, 52878, 64470, 88130, 132195, 264390, 386513, 773026, 1159539, 1932565, 2319078, 2705591, 3865130, 5411182, 5797695, 8116773, 11595390, 13527955, 16233546, 27055910, 40583865, 81167730]

約数ペア:

[(1, 81167730), (2, 40583865), (3, 27055910), (5, 16233546), (6, 13527955), (7, 11595390), (10, 8116773), (14, 5797695), (15, 5411182), (21, 3865130), (30, 2705591), (35, 2319078), (42, 1932565), (70, 1159539), (105, 773026), (210, 386513), (307, 264390), (614, 132195), (921, 88130), (1259, 64470), (1535, 52878), (1842, 44065), (2149, 37770), (2518, 32235), (3070, 26439), (3777, 21490), (4298, 18885), (4605, 17626), (6295, 12894), (6447, 12590), (7554, 10745), (8813, 9210)]