2774804560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{76907}}^1$

素因数の和:76972

約数の個数: 80

約数和(自身を含む): 7209663552

約数和(自身を除く): 4434858992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 7216, 9020, 18040, 36080, 76907, 153814, 307628, 384535, 615256, 769070, 845977, 1230512, 1538140, 1691954, 3076280, 3153187, 3383908, 4229885, 6152560, 6306374, 6767816, 8459770, 12612748, 13535632, 15765935, 16919540, 25225496, 31531870, 33839080, 34685057, 50450992, 63063740, 67678160, 69370114, 126127480, 138740228, 173425285, 252254960, 277480456, 346850570, 554960912, 693701140, 1387402280, 2774804560]

約数ペア:

[(1, 2774804560), (2, 1387402280), (4, 693701140), (5, 554960912), (8, 346850570), (10, 277480456), (11, 252254960), (16, 173425285), (20, 138740228), (22, 126127480), (40, 69370114), (41, 67678160), (44, 63063740), (55, 50450992), (80, 34685057), (82, 33839080), (88, 31531870), (110, 25225496), (164, 16919540), (176, 15765935), (205, 13535632), (220, 12612748), (328, 8459770), (410, 6767816), (440, 6306374), (451, 6152560), (656, 4229885), (820, 3383908), (880, 3153187), (902, 3076280), (1640, 1691954), (1804, 1538140), (2255, 1230512), (3280, 845977), (3608, 769070), (4510, 615256), (7216, 384535), (9020, 307628), (18040, 153814), (36080, 76907)]