81255570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3373}}^1$

素因数の和:3467

約数の個数: 64

約数和(自身を含む): 215720064

約数和(自身を除く): 134464494

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 1095, 1606, 2190, 2409, 3373, 4015, 4818, 6746, 8030, 10119, 12045, 16865, 20238, 24090, 33730, 37103, 50595, 74206, 101190, 111309, 185515, 222618, 246229, 371030, 492458, 556545, 738687, 1113090, 1231145, 1477374, 2462290, 2708519, 3693435, 5417038, 7386870, 8125557, 13542595, 16251114, 27085190, 40627785, 81255570]

約数ペア:

[(1, 81255570), (2, 40627785), (3, 27085190), (5, 16251114), (6, 13542595), (10, 8125557), (11, 7386870), (15, 5417038), (22, 3693435), (30, 2708519), (33, 2462290), (55, 1477374), (66, 1231145), (73, 1113090), (110, 738687), (146, 556545), (165, 492458), (219, 371030), (330, 246229), (365, 222618), (438, 185515), (730, 111309), (803, 101190), (1095, 74206), (1606, 50595), (2190, 37103), (2409, 33730), (3373, 24090), (4015, 20238), (4818, 16865), (6746, 12045), (8030, 10119)]