320426460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1780147}}^1$

素因数の和:1780162

約数の個数: 36

約数和(自身を含む): 971960808

約数和(自身を除く): 651534348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1780147, 3560294, 5340441, 7120588, 8900735, 10680882, 16021323, 17801470, 21361764, 26702205, 32042646, 35602940, 53404410, 64085292, 80106615, 106808820, 160213230, 320426460]

約数ペア:

[(1, 320426460), (2, 160213230), (3, 106808820), (4, 80106615), (5, 64085292), (6, 53404410), (9, 35602940), (10, 32042646), (12, 26702205), (15, 21361764), (18, 17801470), (20, 16021323), (30, 10680882), (36, 8900735), (45, 7120588), (60, 5340441), (90, 3560294), (180, 1780147)]