320239905

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{7699}}^1$

素因数の和:7813

約数の個数: 32

約数和(自身を含む): 532224000

約数和(自身を除く): 211984095

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 705, 885, 2773, 7699, 8319, 13865, 23097, 38495, 41595, 115485, 361853, 454241, 1085559, 1362723, 1809265, 2271205, 5427795, 6813615, 21349327, 64047981, 106746635, 320239905]

約数ペア:

[(1, 320239905), (3, 106746635), (5, 64047981), (15, 21349327), (47, 6813615), (59, 5427795), (141, 2271205), (177, 1809265), (235, 1362723), (295, 1085559), (705, 454241), (885, 361853), (2773, 115485), (7699, 41595), (8319, 38495), (13865, 23097)]