69921320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 190080000

約数和(自身を除く): 120158680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 79, 109, 116, 140, 145, 158, 203, 218, 232, 280, 290, 316, 395, 406, 436, 545, 553, 580, 632, 763, 790, 812, 872, 1015, 1090, 1106, 1160, 1526, 1580, 1624, 2030, 2180, 2212, 2291, 2765, 3052, 3160, 3161, 3815, 4060, 4360, 4424, 4582, 5530, 6104, 6322, 7630, 8120, 8611, 9164, 11060, 11455, 12644, 15260, 15805, 16037, 17222, 18328, 22120, 22127, 22910, 25288, 30520, 31610, 32074, 34444, 43055, 44254, 45820, 60277, 63220, 64148, 68888, 80185, 86110, 88508, 91640, 110635, 120554, 126440, 128296, 160370, 172220, 177016, 221270, 241108, 249719, 301385, 320740, 344440, 442540, 482216, 499438, 602770, 641480, 885080, 998876, 1205540, 1248595, 1748033, 1997752, 2411080, 2497190, 3496066, 4994380, 6992132, 8740165, 9988760, 13984264, 17480330, 34960660, 69921320]

約数ペア:

[(1, 69921320), (2, 34960660), (4, 17480330), (5, 13984264), (7, 9988760), (8, 8740165), (10, 6992132), (14, 4994380), (20, 3496066), (28, 2497190), (29, 2411080), (35, 1997752), (40, 1748033), (56, 1248595), (58, 1205540), (70, 998876), (79, 885080), (109, 641480), (116, 602770), (140, 499438), (145, 482216), (158, 442540), (203, 344440), (218, 320740), (232, 301385), (280, 249719), (290, 241108), (316, 221270), (395, 177016), (406, 172220), (436, 160370), (545, 128296), (553, 126440), (580, 120554), (632, 110635), (763, 91640), (790, 88508), (812, 86110), (872, 80185), (1015, 68888), (1090, 64148), (1106, 63220), (1160, 60277), (1526, 45820), (1580, 44254), (1624, 43055), (2030, 34444), (2180, 32074), (2212, 31610), (2291, 30520), (2765, 25288), (3052, 22910), (3160, 22127), (3161, 22120), (3815, 18328), (4060, 17222), (4360, 16037), (4424, 15805), (4582, 15260), (5530, 12644), (6104, 11455), (6322, 11060), (7630, 9164), (8120, 8611)]