81341010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:889

約数の個数: 80

約数和(自身を含む): 220613976

約数和(自身を除く): 139272966

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 137, 162, 270, 274, 405, 411, 685, 733, 810, 822, 1233, 1370, 1466, 2055, 2199, 2466, 3665, 3699, 4110, 4398, 6165, 6597, 7330, 7398, 10995, 11097, 12330, 13194, 18495, 19791, 21990, 22194, 32985, 36990, 39582, 55485, 59373, 65970, 98955, 100421, 110970, 118746, 197910, 200842, 296865, 301263, 502105, 593730, 602526, 903789, 1004210, 1506315, 1807578, 2711367, 3012630, 4518945, 5422734, 8134101, 9037890, 13556835, 16268202, 27113670, 40670505, 81341010]

約数ペア:

[(1, 81341010), (2, 40670505), (3, 27113670), (5, 16268202), (6, 13556835), (9, 9037890), (10, 8134101), (15, 5422734), (18, 4518945), (27, 3012630), (30, 2711367), (45, 1807578), (54, 1506315), (81, 1004210), (90, 903789), (135, 602526), (137, 593730), (162, 502105), (270, 301263), (274, 296865), (405, 200842), (411, 197910), (685, 118746), (733, 110970), (810, 100421), (822, 98955), (1233, 65970), (1370, 59373), (1466, 55485), (2055, 39582), (2199, 36990), (2466, 32985), (3665, 22194), (3699, 21990), (4110, 19791), (4398, 18495), (6165, 13194), (6597, 12330), (7330, 11097), (7398, 10995)]