320468280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{242779}}^1$

素因数の和:242804

約数の個数: 64

約数和(自身を含む): 1048809600

約数和(自身を除く): 728341320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 242779, 485558, 728337, 971116, 1213895, 1456674, 1942232, 2427790, 2670569, 2913348, 3641685, 4855580, 5341138, 5826696, 7283370, 8011707, 9711160, 10682276, 13352845, 14566740, 16023414, 21364552, 26705690, 29133480, 32046828, 40058535, 53411380, 64093656, 80117070, 106822760, 160234140, 320468280]

約数ペア:

[(1, 320468280), (2, 160234140), (3, 106822760), (4, 80117070), (5, 64093656), (6, 53411380), (8, 40058535), (10, 32046828), (11, 29133480), (12, 26705690), (15, 21364552), (20, 16023414), (22, 14566740), (24, 13352845), (30, 10682276), (33, 9711160), (40, 8011707), (44, 7283370), (55, 5826696), (60, 5341138), (66, 4855580), (88, 3641685), (110, 2913348), (120, 2670569), (132, 2427790), (165, 1942232), (220, 1456674), (264, 1213895), (330, 971116), (440, 728337), (660, 485558), (1320, 242779)]