81716730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{10357}}^1$

素因数の和:10630

約数の個数: 32

約数和(自身を含む): 196884864

約数和(自身を除く): 115168134

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 3945, 7890, 10357, 20714, 31071, 51785, 62142, 103570, 155355, 310710, 2723891, 5447782, 8171673, 13619455, 16343346, 27238910, 40858365, 81716730]

約数ペア:

[(1, 81716730), (2, 40858365), (3, 27238910), (5, 16343346), (6, 13619455), (10, 8171673), (15, 5447782), (30, 2723891), (263, 310710), (526, 155355), (789, 103570), (1315, 62142), (1578, 51785), (2630, 31071), (3945, 20714), (7890, 10357)]