2878980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3716

約数の個数: 48

約数和(自身を含む): 8683584

約数和(自身を除く): 5804604

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, 3691, 7382, 11073, 14764, 18455, 22146, 36910, 44292, 47983, 55365, 73820, 95966, 110730, 143949, 191932, 221460, 239915, 287898, 479830, 575796, 719745, 959660, 1439490, 2878980]

約数ペア:

[(1, 2878980), (2, 1439490), (3, 959660), (4, 719745), (5, 575796), (6, 479830), (10, 287898), (12, 239915), (13, 221460), (15, 191932), (20, 143949), (26, 110730), (30, 95966), (39, 73820), (52, 55365), (60, 47983), (65, 44292), (78, 36910), (130, 22146), (156, 18455), (195, 14764), (260, 11073), (390, 7382), (780, 3691)]