640581090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21352703}}^1$

素因数の和:21352713

約数の個数: 16

約数和(自身を含む): 1537394688

約数和(自身を除く): 896813598

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21352703, 42705406, 64058109, 106763515, 128116218, 213527030, 320290545, 640581090]

約数ペア:

[(1, 640581090), (2, 320290545), (3, 213527030), (5, 128116218), (6, 106763515), (10, 64058109), (15, 42705406), (30, 21352703)]