1688894220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2165249}}^1$

素因数の和:2165274

約数の個数: 48

約数和(自身を含む): 5092668000

約数和(自身を除く): 3403773780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2165249, 4330498, 6495747, 8660996, 10826245, 12991494, 21652490, 25982988, 28148237, 32478735, 43304980, 56296474, 64957470, 84444711, 112592948, 129914940, 140741185, 168889422, 281482370, 337778844, 422223555, 562964740, 844447110, 1688894220]

約数ペア:

[(1, 1688894220), (2, 844447110), (3, 562964740), (4, 422223555), (5, 337778844), (6, 281482370), (10, 168889422), (12, 140741185), (13, 129914940), (15, 112592948), (20, 84444711), (26, 64957470), (30, 56296474), (39, 43304980), (52, 32478735), (60, 28148237), (65, 25982988), (78, 21652490), (130, 12991494), (156, 10826245), (195, 8660996), (260, 6495747), (390, 4330498), (780, 2165249)]