320425785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12923}}^1$

素因数の和:12982

約数の個数: 48

約数和(自身を含む): 604843200

約数和(自身を除く): 284417415

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 4959, 8265, 12923, 24795, 38769, 64615, 116307, 193845, 245537, 374767, 581535, 736611, 1124301, 1227685, 1873835, 2209833, 3372903, 3683055, 5621505, 7120573, 11049165, 16864515, 21361719, 35602865, 64085157, 106808595, 320425785]

約数ペア:

[(1, 320425785), (3, 106808595), (5, 64085157), (9, 35602865), (15, 21361719), (19, 16864515), (29, 11049165), (45, 7120573), (57, 5621505), (87, 3683055), (95, 3372903), (145, 2209833), (171, 1873835), (261, 1227685), (285, 1124301), (435, 736611), (551, 581535), (855, 374767), (1305, 245537), (1653, 193845), (2755, 116307), (4959, 64615), (8265, 38769), (12923, 24795)]