80707990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 164685312

約数和(自身を除く): 83977322

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 113, 151, 215, 226, 302, 430, 473, 565, 755, 946, 1130, 1243, 1510, 1661, 2365, 2486, 3322, 4730, 4859, 6215, 6493, 8305, 9718, 12430, 12986, 16610, 17063, 24295, 32465, 34126, 48590, 53449, 64930, 71423, 85315, 106898, 142846, 170630, 187693, 267245, 357115, 375386, 534490, 714230, 733709, 938465, 1467418, 1876930, 3668545, 7337090, 8070799, 16141598, 40353995, 80707990]

約数ペア:

[(1, 80707990), (2, 40353995), (5, 16141598), (10, 8070799), (11, 7337090), (22, 3668545), (43, 1876930), (55, 1467418), (86, 938465), (110, 733709), (113, 714230), (151, 534490), (215, 375386), (226, 357115), (302, 267245), (430, 187693), (473, 170630), (565, 142846), (755, 106898), (946, 85315), (1130, 71423), (1243, 64930), (1510, 53449), (1661, 48590), (2365, 34126), (2486, 32465), (3322, 24295), (4730, 17063), (4859, 16610), (6215, 12986), (6493, 12430), (8305, 9718)]