320412675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20484

約数の個数: 48

約数和(自身を含む): 608353920

約数和(自身を除く): 287941245

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 15675, 20441, 61323, 102205, 224851, 306615, 388379, 511025, 674553, 1124255, 1165137, 1533075, 1941895, 3372765, 4272169, 5621275, 5825685, 9709475, 12816507, 16863825, 21360845, 29128425, 64082535, 106804225, 320412675]

約数ペア:

[(1, 320412675), (3, 106804225), (5, 64082535), (11, 29128425), (15, 21360845), (19, 16863825), (25, 12816507), (33, 9709475), (55, 5825685), (57, 5621275), (75, 4272169), (95, 3372765), (165, 1941895), (209, 1533075), (275, 1165137), (285, 1124255), (475, 674553), (627, 511025), (825, 388379), (1045, 306615), (1425, 224851), (3135, 102205), (5225, 61323), (15675, 20441)]