645736080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{244597}}^1$

素因数の和:244624

約数の個数: 80

約数和(自身を含む): 2183770944

約数和(自身を除く): 1538034864

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, 244597, 489194, 733791, 978388, 1222985, 1467582, 1956776, 2445970, 2690567, 2935164, 3668955, 3913552, 4891940, 5381134, 5870328, 7337910, 8071701, 9783880, 10762268, 11740656, 13452835, 14675820, 16143402, 19567760, 21524536, 26905670, 29351640, 32286804, 40358505, 43049072, 53811340, 58703280, 64573608, 80717010, 107622680, 129147216, 161434020, 215245360, 322868040, 645736080]

約数ペア:

[(1, 645736080), (2, 322868040), (3, 215245360), (4, 161434020), (5, 129147216), (6, 107622680), (8, 80717010), (10, 64573608), (11, 58703280), (12, 53811340), (15, 43049072), (16, 40358505), (20, 32286804), (22, 29351640), (24, 26905670), (30, 21524536), (33, 19567760), (40, 16143402), (44, 14675820), (48, 13452835), (55, 11740656), (60, 10762268), (66, 9783880), (80, 8071701), (88, 7337910), (110, 5870328), (120, 5381134), (132, 4891940), (165, 3913552), (176, 3668955), (220, 2935164), (240, 2690567), (264, 2445970), (330, 1956776), (440, 1467582), (528, 1222985), (660, 978388), (880, 733791), (1320, 489194), (2640, 244597)]