68403660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87697}}^1$

素因数の和:87722

約数の個数: 48

約数和(自身を含む): 206265696

約数和(自身を除く): 137862036

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, 87697, 175394, 263091, 350788, 438485, 526182, 876970, 1052364, 1140061, 1315455, 1753940, 2280122, 2630910, 3420183, 4560244, 5261820, 5700305, 6840366, 11400610, 13680732, 17100915, 22801220, 34201830, 68403660]

約数ペア:

[(1, 68403660), (2, 34201830), (3, 22801220), (4, 17100915), (5, 13680732), (6, 11400610), (10, 6840366), (12, 5700305), (13, 5261820), (15, 4560244), (20, 3420183), (26, 2630910), (30, 2280122), (39, 1753940), (52, 1315455), (60, 1140061), (65, 1052364), (78, 876970), (130, 526182), (156, 438485), (195, 350788), (260, 263091), (390, 175394), (780, 87697)]