123566820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158419}}^1$

素因数の和:158444

約数の個数: 48

約数和(自身を含む): 372603840

約数和(自身を除く): 249037020

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, 158419, 316838, 475257, 633676, 792095, 950514, 1584190, 1901028, 2059447, 2376285, 3168380, 4118894, 4752570, 6178341, 8237788, 9505140, 10297235, 12356682, 20594470, 24713364, 30891705, 41188940, 61783410, 123566820]

約数ペア:

[(1, 123566820), (2, 61783410), (3, 41188940), (4, 30891705), (5, 24713364), (6, 20594470), (10, 12356682), (12, 10297235), (13, 9505140), (15, 8237788), (20, 6178341), (26, 4752570), (30, 4118894), (39, 3168380), (52, 2376285), (60, 2059447), (65, 1901028), (78, 1584190), (130, 950514), (156, 792095), (195, 633676), (260, 475257), (390, 316838), (780, 158419)]