28702860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2089}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 80757600

約数和(自身を除く): 52054740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 2089, 2290, 2748, 3435, 4178, 4580, 6267, 6870, 8356, 10445, 12534, 13740, 20890, 25068, 31335, 41780, 62670, 125340, 478381, 956762, 1435143, 1913524, 2391905, 2870286, 4783810, 5740572, 7175715, 9567620, 14351430, 28702860]

約数ペア:

[(1, 28702860), (2, 14351430), (3, 9567620), (4, 7175715), (5, 5740572), (6, 4783810), (10, 2870286), (12, 2391905), (15, 1913524), (20, 1435143), (30, 956762), (60, 478381), (229, 125340), (458, 62670), (687, 41780), (916, 31335), (1145, 25068), (1374, 20890), (2089, 13740), (2290, 12534), (2748, 10445), (3435, 8356), (4178, 6870), (4580, 6267)]