28818660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36947}}^1$

素因数の和:36972

約数の個数: 48

約数和(自身を含む): 86901696

約数和(自身を除く): 58083036

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, 36947, 73894, 110841, 147788, 184735, 221682, 369470, 443364, 480311, 554205, 738940, 960622, 1108410, 1440933, 1921244, 2216820, 2401555, 2881866, 4803110, 5763732, 7204665, 9606220, 14409330, 28818660]

約数ペア:

[(1, 28818660), (2, 14409330), (3, 9606220), (4, 7204665), (5, 5763732), (6, 4803110), (10, 2881866), (12, 2401555), (13, 2216820), (15, 1921244), (20, 1440933), (26, 1108410), (30, 960622), (39, 738940), (52, 554205), (60, 480311), (65, 443364), (78, 369470), (130, 221682), (156, 184735), (195, 147788), (260, 110841), (390, 73894), (780, 36947)]