156909090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{402331}}^1$

素因数の和:402354

約数の個数: 32

約数和(自身を含む): 405550656

約数和(自身を除く): 248641566

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 402331, 804662, 1206993, 2011655, 2413986, 4023310, 5230303, 6034965, 10460606, 12069930, 15690909, 26151515, 31381818, 52303030, 78454545, 156909090]

約数ペア:

[(1, 156909090), (2, 78454545), (3, 52303030), (5, 31381818), (6, 26151515), (10, 15690909), (13, 12069930), (15, 10460606), (26, 6034965), (30, 5230303), (39, 4023310), (65, 2413986), (78, 2011655), (130, 1206993), (195, 804662), (390, 402331)]