28921920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 112

約数和(自身を含む): 93927168

約数和(自身を除く): 65005248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 141, 160, 188, 192, 235, 240, 282, 320, 376, 470, 480, 564, 641, 705, 752, 940, 960, 1128, 1282, 1410, 1504, 1880, 1923, 2256, 2564, 2820, 3008, 3205, 3760, 3846, 4512, 5128, 5640, 6410, 7520, 7692, 9024, 9615, 10256, 11280, 12820, 15040, 15384, 19230, 20512, 22560, 25640, 30127, 30768, 38460, 41024, 45120, 51280, 60254, 61536, 76920, 90381, 102560, 120508, 123072, 150635, 153840, 180762, 205120, 241016, 301270, 307680, 361524, 451905, 482032, 602540, 615360, 723048, 903810, 964064, 1205080, 1446096, 1807620, 1928128, 2410160, 2892192, 3615240, 4820320, 5784384, 7230480, 9640640, 14460960, 28921920]

約数ペア:

[(1, 28921920), (2, 14460960), (3, 9640640), (4, 7230480), (5, 5784384), (6, 4820320), (8, 3615240), (10, 2892192), (12, 2410160), (15, 1928128), (16, 1807620), (20, 1446096), (24, 1205080), (30, 964064), (32, 903810), (40, 723048), (47, 615360), (48, 602540), (60, 482032), (64, 451905), (80, 361524), (94, 307680), (96, 301270), (120, 241016), (141, 205120), (160, 180762), (188, 153840), (192, 150635), (235, 123072), (240, 120508), (282, 102560), (320, 90381), (376, 76920), (470, 61536), (480, 60254), (564, 51280), (641, 45120), (705, 41024), (752, 38460), (940, 30768), (960, 30127), (1128, 25640), (1282, 22560), (1410, 20512), (1504, 19230), (1880, 15384), (1923, 15040), (2256, 12820), (2564, 11280), (2820, 10256), (3008, 9615), (3205, 9024), (3760, 7692), (3846, 7520), (4512, 6410), (5128, 5640)]