257218740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{158777}}^1$

素因数の和:158798

約数の個数: 60

約数和(自身を含む): 806909796

約数和(自身を除く): 549691056

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 158777, 317554, 476331, 635108, 793885, 952662, 1428993, 1587770, 1905324, 2381655, 2857986, 3175540, 4286979, 4763310, 5715972, 7144965, 8573958, 9526620, 12860937, 14289930, 17147916, 21434895, 25721874, 28579860, 42869790, 51443748, 64304685, 85739580, 128609370, 257218740]

約数ペア:

[(1, 257218740), (2, 128609370), (3, 85739580), (4, 64304685), (5, 51443748), (6, 42869790), (9, 28579860), (10, 25721874), (12, 21434895), (15, 17147916), (18, 14289930), (20, 12860937), (27, 9526620), (30, 8573958), (36, 7144965), (45, 5715972), (54, 4763310), (60, 4286979), (81, 3175540), (90, 2857986), (108, 2381655), (135, 1905324), (162, 1587770), (180, 1428993), (270, 952662), (324, 793885), (405, 635108), (540, 476331), (810, 317554), (1620, 158777)]