90258090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{231431}}^1$

素因数の和:231454

約数の個数: 32

約数和(自身を含む): 233283456

約数和(自身を除く): 143025366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 231431, 462862, 694293, 1157155, 1388586, 2314310, 3008603, 3471465, 6017206, 6942930, 9025809, 15043015, 18051618, 30086030, 45129045, 90258090]

約数ペア:

[(1, 90258090), (2, 45129045), (3, 30086030), (5, 18051618), (6, 15043015), (10, 9025809), (13, 6942930), (15, 6017206), (26, 3471465), (30, 3008603), (39, 2314310), (65, 1388586), (78, 1157155), (130, 694293), (195, 462862), (390, 231431)]