78896820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{45343}}^1$

素因数の和:45384

約数の個数: 48

約数和(自身を含む): 228533760

約数和(自身を除く): 149636940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 45343, 90686, 136029, 181372, 226715, 272058, 453430, 544116, 680145, 906860, 1314947, 1360290, 2629894, 2720580, 3944841, 5259788, 6574735, 7889682, 13149470, 15779364, 19724205, 26298940, 39448410, 78896820]

約数ペア:

[(1, 78896820), (2, 39448410), (3, 26298940), (4, 19724205), (5, 15779364), (6, 13149470), (10, 7889682), (12, 6574735), (15, 5259788), (20, 3944841), (29, 2720580), (30, 2629894), (58, 1360290), (60, 1314947), (87, 906860), (116, 680145), (145, 544116), (174, 453430), (290, 272058), (348, 226715), (435, 181372), (580, 136029), (870, 90686), (1740, 45343)]