320440560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121379}}^1$

素因数の和:121406

約数の個数: 80

約数和(自身を含む): 1083680640

約数和(自身を除く): 763240080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 121379, 242758, 364137, 485516, 606895, 728274, 971032, 1213790, 1335169, 1456548, 1820685, 1942064, 2427580, 2670338, 2913096, 3641370, 4005507, 4855160, 5340676, 5826192, 6675845, 7282740, 8011014, 9710320, 10681352, 13351690, 14565480, 16022028, 20027535, 21362704, 26703380, 29130960, 32044056, 40055070, 53406760, 64088112, 80110140, 106813520, 160220280, 320440560]

約数ペア:

[(1, 320440560), (2, 160220280), (3, 106813520), (4, 80110140), (5, 64088112), (6, 53406760), (8, 40055070), (10, 32044056), (11, 29130960), (12, 26703380), (15, 21362704), (16, 20027535), (20, 16022028), (22, 14565480), (24, 13351690), (30, 10681352), (33, 9710320), (40, 8011014), (44, 7282740), (48, 6675845), (55, 5826192), (60, 5340676), (66, 4855160), (80, 4005507), (88, 3641370), (110, 2913096), (120, 2670338), (132, 2427580), (165, 1942064), (176, 1820685), (220, 1456548), (240, 1335169), (264, 1213790), (330, 971032), (440, 728274), (528, 606895), (660, 485516), (880, 364137), (1320, 242758), (2640, 121379)]