81697620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1447}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 229154688

約数和(自身を除く): 147457068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 941, 1447, 1882, 2823, 2894, 3764, 4341, 4705, 5646, 5788, 7235, 8682, 9410, 11292, 14115, 14470, 17364, 18820, 21705, 28230, 28940, 43410, 56460, 86820, 1361627, 2723254, 4084881, 5446508, 6808135, 8169762, 13616270, 16339524, 20424405, 27232540, 40848810, 81697620]

約数ペア:

[(1, 81697620), (2, 40848810), (3, 27232540), (4, 20424405), (5, 16339524), (6, 13616270), (10, 8169762), (12, 6808135), (15, 5446508), (20, 4084881), (30, 2723254), (60, 1361627), (941, 86820), (1447, 56460), (1882, 43410), (2823, 28940), (2894, 28230), (3764, 21705), (4341, 18820), (4705, 17364), (5646, 14470), (5788, 14115), (7235, 11292), (8682, 9410)]