30497480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 74511360

約数和(自身を除く): 44013880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 263, 446, 520, 526, 892, 1052, 1115, 1315, 1784, 2104, 2230, 2630, 2899, 3419, 4460, 5260, 5798, 6838, 8920, 10520, 11596, 13676, 14495, 17095, 23192, 27352, 28990, 34190, 57980, 58649, 68380, 115960, 117298, 136760, 234596, 293245, 469192, 586490, 762437, 1172980, 1524874, 2345960, 3049748, 3812185, 6099496, 7624370, 15248740, 30497480]

約数ペア:

[(1, 30497480), (2, 15248740), (4, 7624370), (5, 6099496), (8, 3812185), (10, 3049748), (13, 2345960), (20, 1524874), (26, 1172980), (40, 762437), (52, 586490), (65, 469192), (104, 293245), (130, 234596), (223, 136760), (260, 117298), (263, 115960), (446, 68380), (520, 58649), (526, 57980), (892, 34190), (1052, 28990), (1115, 27352), (1315, 23192), (1784, 17095), (2104, 14495), (2230, 13676), (2630, 11596), (2899, 10520), (3419, 8920), (4460, 6838), (5260, 5798)]