640579560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5338163}}^1$

素因数の和:5338177

約数の個数: 32

約数和(自身を含む): 1921739040

約数和(自身を除く): 1281159480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5338163, 10676326, 16014489, 21352652, 26690815, 32028978, 42705304, 53381630, 64057956, 80072445, 106763260, 128115912, 160144890, 213526520, 320289780, 640579560]

約数ペア:

[(1, 640579560), (2, 320289780), (3, 213526520), (4, 160144890), (5, 128115912), (6, 106763260), (8, 80072445), (10, 64057956), (12, 53381630), (15, 42705304), (20, 32028978), (24, 26690815), (30, 21352652), (40, 16014489), (60, 10676326), (120, 5338163)]