123378640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20029}}^1$

素因数の和:20060

約数の個数: 80

約数和(自身を含む): 357655680

約数和(自身を除く): 234277040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 20029, 40058, 80116, 100145, 140203, 160232, 200290, 220319, 280406, 320464, 400580, 440638, 560812, 701015, 801160, 881276, 1101595, 1121624, 1402030, 1542233, 1602320, 1762552, 2203190, 2243248, 2804060, 3084466, 3525104, 4406380, 5608120, 6168932, 7711165, 8812760, 11216240, 12337864, 15422330, 17625520, 24675728, 30844660, 61689320, 123378640]

約数ペア:

[(1, 123378640), (2, 61689320), (4, 30844660), (5, 24675728), (7, 17625520), (8, 15422330), (10, 12337864), (11, 11216240), (14, 8812760), (16, 7711165), (20, 6168932), (22, 5608120), (28, 4406380), (35, 3525104), (40, 3084466), (44, 2804060), (55, 2243248), (56, 2203190), (70, 1762552), (77, 1602320), (80, 1542233), (88, 1402030), (110, 1121624), (112, 1101595), (140, 881276), (154, 801160), (176, 701015), (220, 560812), (280, 440638), (308, 400580), (385, 320464), (440, 280406), (560, 220319), (616, 200290), (770, 160232), (880, 140203), (1232, 100145), (1540, 80116), (3080, 40058), (6160, 20029)]