30271240

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1447}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 68287680

約数和(自身を除く): 38016440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 1447, 2092, 2615, 2894, 4184, 5230, 5788, 7235, 10460, 11576, 14470, 20920, 28940, 57880, 756781, 1513562, 3027124, 3783905, 6054248, 7567810, 15135620, 30271240]

約数ペア:

[(1, 30271240), (2, 15135620), (4, 7567810), (5, 6054248), (8, 3783905), (10, 3027124), (20, 1513562), (40, 756781), (523, 57880), (1046, 28940), (1447, 20920), (2092, 14470), (2615, 11576), (2894, 10460), (4184, 7235), (5230, 5788)]