725940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 2282280

約数和(自身を除く): 1556340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 109, 111, 148, 180, 185, 218, 222, 327, 333, 370, 436, 444, 545, 555, 654, 666, 740, 981, 1090, 1110, 1308, 1332, 1635, 1665, 1962, 2180, 2220, 3270, 3330, 3924, 4033, 4905, 6540, 6660, 8066, 9810, 12099, 16132, 19620, 20165, 24198, 36297, 40330, 48396, 60495, 72594, 80660, 120990, 145188, 181485, 241980, 362970, 725940]

約数ペア:

[(1, 725940), (2, 362970), (3, 241980), (4, 181485), (5, 145188), (6, 120990), (9, 80660), (10, 72594), (12, 60495), (15, 48396), (18, 40330), (20, 36297), (30, 24198), (36, 20165), (37, 19620), (45, 16132), (60, 12099), (74, 9810), (90, 8066), (109, 6660), (111, 6540), (148, 4905), (180, 4033), (185, 3924), (218, 3330), (222, 3270), (327, 2220), (333, 2180), (370, 1962), (436, 1665), (444, 1635), (545, 1332), (555, 1308), (654, 1110), (666, 1090), (740, 981)]