21142080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2447}}^1$

素因数の和:2473

約数の個数: 112

約数和(自身を含む): 74615040

約数和(自身を除く): 53472960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2447, 2880, 4320, 4894, 7341, 8640, 9788, 12235, 14682, 19576, 22023, 24470, 29364, 36705, 39152, 44046, 48940, 58728, 66069, 73410, 78304, 88092, 97880, 110115, 117456, 132138, 146820, 156608, 176184, 195760, 220230, 234912, 264276, 293640, 330345, 352368, 391520, 440460, 469824, 528552, 587280, 660690, 704736, 783040, 880920, 1057104, 1174560, 1321380, 1409472, 1761840, 2114208, 2349120, 2642760, 3523680, 4228416, 5285520, 7047360, 10571040, 21142080]

約数ペア:

[(1, 21142080), (2, 10571040), (3, 7047360), (4, 5285520), (5, 4228416), (6, 3523680), (8, 2642760), (9, 2349120), (10, 2114208), (12, 1761840), (15, 1409472), (16, 1321380), (18, 1174560), (20, 1057104), (24, 880920), (27, 783040), (30, 704736), (32, 660690), (36, 587280), (40, 528552), (45, 469824), (48, 440460), (54, 391520), (60, 352368), (64, 330345), (72, 293640), (80, 264276), (90, 234912), (96, 220230), (108, 195760), (120, 176184), (135, 156608), (144, 146820), (160, 132138), (180, 117456), (192, 110115), (216, 97880), (240, 88092), (270, 78304), (288, 73410), (320, 66069), (360, 58728), (432, 48940), (480, 44046), (540, 39152), (576, 36705), (720, 29364), (864, 24470), (960, 22023), (1080, 19576), (1440, 14682), (1728, 12235), (2160, 9788), (2447, 8640), (2880, 7341), (4320, 4894)]