2761980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3566

約数の個数: 48

約数和(自身を含む): 8330784

約数和(自身を除く): 5568804

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, 3541, 7082, 10623, 14164, 17705, 21246, 35410, 42492, 46033, 53115, 70820, 92066, 106230, 138099, 184132, 212460, 230165, 276198, 460330, 552396, 690495, 920660, 1380990, 2761980]

約数ペア:

[(1, 2761980), (2, 1380990), (3, 920660), (4, 690495), (5, 552396), (6, 460330), (10, 276198), (12, 230165), (13, 212460), (15, 184132), (20, 138099), (26, 106230), (30, 92066), (39, 70820), (52, 53115), (60, 46033), (65, 42492), (78, 35410), (130, 21246), (156, 17705), (195, 14164), (260, 10623), (390, 7082), (780, 3541)]