279334978020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{221694427}}^1$

素因数の和:221694449

約数の個数: 72

約数和(自身を含む): 968361261504

約数和(自身を除く): 689026283484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 221694427, 443388854, 665083281, 886777708, 1108472135, 1330166562, 1551860989, 1995249843, 2216944270, 2660333124, 3103721978, 3325416405, 3990499686, 4433888540, 4655582967, 6207443956, 6650832810, 7759304945, 7980999372, 9311165934, 9976249215, 13301665620, 13966748901, 15518609890, 18622331868, 19952498430, 23277914835, 27933497802, 31037219780, 39904996860, 46555829670, 55866995604, 69833744505, 93111659340, 139667489010, 279334978020]

約数ペア:

[(1, 279334978020), (2, 139667489010), (3, 93111659340), (4, 69833744505), (5, 55866995604), (6, 46555829670), (7, 39904996860), (9, 31037219780), (10, 27933497802), (12, 23277914835), (14, 19952498430), (15, 18622331868), (18, 15518609890), (20, 13966748901), (21, 13301665620), (28, 9976249215), (30, 9311165934), (35, 7980999372), (36, 7759304945), (42, 6650832810), (45, 6207443956), (60, 4655582967), (63, 4433888540), (70, 3990499686), (84, 3325416405), (90, 3103721978), (105, 2660333124), (126, 2216944270), (140, 1995249843), (180, 1551860989), (210, 1330166562), (252, 1108472135), (315, 886777708), (420, 665083281), (630, 443388854), (1260, 221694427)]