128136840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82139}}^1$

素因数の和:82166

約数の個数: 64

約数和(自身を含む): 413985600

約数和(自身を除く): 285848760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82139, 164278, 246417, 328556, 410695, 492834, 657112, 821390, 985668, 1067807, 1232085, 1642780, 1971336, 2135614, 2464170, 3203421, 3285560, 4271228, 4928340, 5339035, 6406842, 8542456, 9856680, 10678070, 12813684, 16017105, 21356140, 25627368, 32034210, 42712280, 64068420, 128136840]

約数ペア:

[(1, 128136840), (2, 64068420), (3, 42712280), (4, 32034210), (5, 25627368), (6, 21356140), (8, 16017105), (10, 12813684), (12, 10678070), (13, 9856680), (15, 8542456), (20, 6406842), (24, 5339035), (26, 4928340), (30, 4271228), (39, 3285560), (40, 3203421), (52, 2464170), (60, 2135614), (65, 1971336), (78, 1642780), (104, 1232085), (120, 1067807), (130, 985668), (156, 821390), (195, 657112), (260, 492834), (312, 410695), (390, 328556), (520, 246417), (780, 164278), (1560, 82139)]