28991280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1198

約数の個数: 80

約数和(自身を含む): 90753120

約数和(自身を除く): 61761840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 904, 1069, 1130, 1356, 1695, 1808, 2138, 2260, 2712, 3207, 3390, 4276, 4520, 5345, 5424, 6414, 6780, 8552, 9040, 10690, 12828, 13560, 16035, 17104, 21380, 25656, 27120, 32070, 42760, 51312, 64140, 85520, 120797, 128280, 241594, 256560, 362391, 483188, 603985, 724782, 966376, 1207970, 1449564, 1811955, 1932752, 2415940, 2899128, 3623910, 4831880, 5798256, 7247820, 9663760, 14495640, 28991280]

約数ペア:

[(1, 28991280), (2, 14495640), (3, 9663760), (4, 7247820), (5, 5798256), (6, 4831880), (8, 3623910), (10, 2899128), (12, 2415940), (15, 1932752), (16, 1811955), (20, 1449564), (24, 1207970), (30, 966376), (40, 724782), (48, 603985), (60, 483188), (80, 362391), (113, 256560), (120, 241594), (226, 128280), (240, 120797), (339, 85520), (452, 64140), (565, 51312), (678, 42760), (904, 32070), (1069, 27120), (1130, 25656), (1356, 21380), (1695, 17104), (1808, 16035), (2138, 13560), (2260, 12828), (2712, 10690), (3207, 9040), (3390, 8552), (4276, 6780), (4520, 6414), (5345, 5424)]