28016580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2213}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 78853824

約数和(自身を除く): 50837244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2213, 2532, 3165, 4220, 4426, 6330, 6639, 8852, 11065, 12660, 13278, 22130, 26556, 33195, 44260, 66390, 132780, 466943, 933886, 1400829, 1867772, 2334715, 2801658, 4669430, 5603316, 7004145, 9338860, 14008290, 28016580]

約数ペア:

[(1, 28016580), (2, 14008290), (3, 9338860), (4, 7004145), (5, 5603316), (6, 4669430), (10, 2801658), (12, 2334715), (15, 1867772), (20, 1400829), (30, 933886), (60, 466943), (211, 132780), (422, 66390), (633, 44260), (844, 33195), (1055, 26556), (1266, 22130), (2110, 13278), (2213, 12660), (2532, 11065), (3165, 8852), (4220, 6639), (4426, 6330)]