68736560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 165739392

約数和(自身を除く): 97002832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 101, 181, 188, 202, 235, 362, 376, 404, 470, 505, 724, 752, 808, 905, 940, 1010, 1448, 1616, 1810, 1880, 2020, 2896, 3620, 3760, 4040, 4747, 7240, 8080, 8507, 9494, 14480, 17014, 18281, 18988, 23735, 34028, 36562, 37976, 42535, 47470, 68056, 73124, 75952, 85070, 91405, 94940, 136112, 146248, 170140, 182810, 189880, 292496, 340280, 365620, 379760, 680560, 731240, 859207, 1462480, 1718414, 3436828, 4296035, 6873656, 8592070, 13747312, 17184140, 34368280, 68736560]

約数ペア:

[(1, 68736560), (2, 34368280), (4, 17184140), (5, 13747312), (8, 8592070), (10, 6873656), (16, 4296035), (20, 3436828), (40, 1718414), (47, 1462480), (80, 859207), (94, 731240), (101, 680560), (181, 379760), (188, 365620), (202, 340280), (235, 292496), (362, 189880), (376, 182810), (404, 170140), (470, 146248), (505, 136112), (724, 94940), (752, 91405), (808, 85070), (905, 75952), (940, 73124), (1010, 68056), (1448, 47470), (1616, 42535), (1810, 37976), (1880, 36562), (2020, 34028), (2896, 23735), (3620, 18988), (3760, 18281), (4040, 17014), (4747, 14480), (7240, 9494), (8080, 8507)]