279645520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4127}}^1$

素因数の和:4169

約数の個数: 120

約数和(自身を含む): 816947712

約数和(自身を除く): 537302192

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1936, 2420, 3080, 3388, 4127, 4235, 4840, 6160, 6776, 8254, 8470, 9680, 13552, 16508, 16940, 20635, 28889, 33016, 33880, 41270, 45397, 57778, 66032, 67760, 82540, 90794, 115556, 144445, 165080, 181588, 226985, 231112, 288890, 317779, 330160, 363176, 453970, 462224, 499367, 577780, 635558, 726352, 907940, 998734, 1155560, 1271116, 1588895, 1815880, 1997468, 2311120, 2496835, 2542232, 3177790, 3495569, 3631760, 3994936, 4993670, 5084464, 6355580, 6991138, 7989872, 9987340, 12711160, 13982276, 17477845, 19974680, 25422320, 27964552, 34955690, 39949360, 55929104, 69911380, 139822760, 279645520]

約数ペア:

[(1, 279645520), (2, 139822760), (4, 69911380), (5, 55929104), (7, 39949360), (8, 34955690), (10, 27964552), (11, 25422320), (14, 19974680), (16, 17477845), (20, 13982276), (22, 12711160), (28, 9987340), (35, 7989872), (40, 6991138), (44, 6355580), (55, 5084464), (56, 4993670), (70, 3994936), (77, 3631760), (80, 3495569), (88, 3177790), (110, 2542232), (112, 2496835), (121, 2311120), (140, 1997468), (154, 1815880), (176, 1588895), (220, 1271116), (242, 1155560), (280, 998734), (308, 907940), (385, 726352), (440, 635558), (484, 577780), (560, 499367), (605, 462224), (616, 453970), (770, 363176), (847, 330160), (880, 317779), (968, 288890), (1210, 231112), (1232, 226985), (1540, 181588), (1694, 165080), (1936, 144445), (2420, 115556), (3080, 90794), (3388, 82540), (4127, 67760), (4235, 66032), (4840, 57778), (6160, 45397), (6776, 41270), (8254, 33880), (8470, 33016), (9680, 28889), (13552, 20635), (16508, 16940)]