16682540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 25547620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 587, 812, 980, 1015, 1174, 1421, 2030, 2348, 2842, 2935, 4060, 4109, 5684, 5870, 7105, 8218, 11740, 14210, 16436, 17023, 20545, 28420, 28763, 34046, 41090, 57526, 68092, 82180, 85115, 115052, 119161, 143815, 170230, 238322, 287630, 340460, 476644, 575260, 595805, 834127, 1191610, 1668254, 2383220, 3336508, 4170635, 8341270, 16682540]

約数ペア:

[(1, 16682540), (2, 8341270), (4, 4170635), (5, 3336508), (7, 2383220), (10, 1668254), (14, 1191610), (20, 834127), (28, 595805), (29, 575260), (35, 476644), (49, 340460), (58, 287630), (70, 238322), (98, 170230), (116, 143815), (140, 119161), (145, 115052), (196, 85115), (203, 82180), (245, 68092), (290, 57526), (406, 41090), (490, 34046), (580, 28763), (587, 28420), (812, 20545), (980, 17023), (1015, 16436), (1174, 14210), (1421, 11740), (2030, 8218), (2348, 7105), (2842, 5870), (2935, 5684), (4060, 4109)]