258780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 766080

約数和(自身を除く): 507300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 227, 228, 285, 380, 454, 570, 681, 908, 1135, 1140, 1362, 2270, 2724, 3405, 4313, 4540, 6810, 8626, 12939, 13620, 17252, 21565, 25878, 43130, 51756, 64695, 86260, 129390, 258780]

約数ペア:

[(1, 258780), (2, 129390), (3, 86260), (4, 64695), (5, 51756), (6, 43130), (10, 25878), (12, 21565), (15, 17252), (19, 13620), (20, 12939), (30, 8626), (38, 6810), (57, 4540), (60, 4313), (76, 3405), (95, 2724), (114, 2270), (190, 1362), (227, 1140), (228, 1135), (285, 908), (380, 681), (454, 570)]