64878480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 219360960

約数和(自身を除く): 154482480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 251, 359, 360, 502, 718, 720, 753, 1004, 1077, 1255, 1436, 1506, 1795, 2008, 2154, 2259, 2510, 2872, 3012, 3231, 3590, 3765, 4016, 4308, 4518, 5020, 5385, 5744, 6024, 6462, 7180, 7530, 8616, 9036, 10040, 10770, 11295, 12048, 12924, 14360, 15060, 16155, 17232, 18072, 20080, 21540, 22590, 25848, 28720, 30120, 32310, 36144, 43080, 45180, 51696, 60240, 64620, 86160, 90109, 90360, 129240, 180218, 180720, 258480, 270327, 360436, 450545, 540654, 720872, 810981, 901090, 1081308, 1351635, 1441744, 1621962, 1802180, 2162616, 2703270, 3243924, 3604360, 4054905, 4325232, 5406540, 6487848, 7208720, 8109810, 10813080, 12975696, 16219620, 21626160, 32439240, 64878480]

約数ペア:

[(1, 64878480), (2, 32439240), (3, 21626160), (4, 16219620), (5, 12975696), (6, 10813080), (8, 8109810), (9, 7208720), (10, 6487848), (12, 5406540), (15, 4325232), (16, 4054905), (18, 3604360), (20, 3243924), (24, 2703270), (30, 2162616), (36, 1802180), (40, 1621962), (45, 1441744), (48, 1351635), (60, 1081308), (72, 901090), (80, 810981), (90, 720872), (120, 540654), (144, 450545), (180, 360436), (240, 270327), (251, 258480), (359, 180720), (360, 180218), (502, 129240), (718, 90360), (720, 90109), (753, 86160), (1004, 64620), (1077, 60240), (1255, 51696), (1436, 45180), (1506, 43080), (1795, 36144), (2008, 32310), (2154, 30120), (2259, 28720), (2510, 25848), (2872, 22590), (3012, 21540), (3231, 20080), (3590, 18072), (3765, 17232), (4016, 16155), (4308, 15060), (4518, 14360), (5020, 12924), (5385, 12048), (5744, 11295), (6024, 10770), (6462, 10040), (7180, 9036), (7530, 8616)]