28723770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 74954880

約数和(自身を除く): 46231110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 439, 727, 878, 1317, 1454, 2181, 2195, 2634, 3635, 3951, 4362, 4390, 6543, 6585, 7270, 7902, 10905, 13086, 13170, 19755, 21810, 32715, 39510, 65430, 319153, 638306, 957459, 1595765, 1914918, 2872377, 3191530, 4787295, 5744754, 9574590, 14361885, 28723770]

約数ペア:

[(1, 28723770), (2, 14361885), (3, 9574590), (5, 5744754), (6, 4787295), (9, 3191530), (10, 2872377), (15, 1914918), (18, 1595765), (30, 957459), (45, 638306), (90, 319153), (439, 65430), (727, 39510), (878, 32715), (1317, 21810), (1454, 19755), (2181, 13170), (2195, 13086), (2634, 10905), (3635, 7902), (3951, 7270), (4362, 6585), (4390, 6543)]