72468720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 244953072

約数和(自身を除く): 172484352

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, 360, 401, 502, 720, 753, 802, 1004, 1203, 1255, 1506, 1604, 2005, 2008, 2259, 2406, 2510, 3012, 3208, 3609, 3765, 4010, 4016, 4518, 4812, 5020, 6015, 6024, 6416, 7218, 7530, 8020, 9036, 9624, 10040, 11295, 12030, 12048, 14436, 15060, 16040, 18045, 18072, 19248, 20080, 22590, 24060, 28872, 30120, 32080, 36090, 36144, 45180, 48120, 57744, 60240, 72180, 90360, 96240, 100651, 144360, 180720, 201302, 288720, 301953, 402604, 503255, 603906, 805208, 905859, 1006510, 1207812, 1509765, 1610416, 1811718, 2013020, 2415624, 3019530, 3623436, 4026040, 4529295, 4831248, 6039060, 7246872, 8052080, 9058590, 12078120, 14493744, 18117180, 24156240, 36234360, 72468720]

約数ペア:

[(1, 72468720), (2, 36234360), (3, 24156240), (4, 18117180), (5, 14493744), (6, 12078120), (8, 9058590), (9, 8052080), (10, 7246872), (12, 6039060), (15, 4831248), (16, 4529295), (18, 4026040), (20, 3623436), (24, 3019530), (30, 2415624), (36, 2013020), (40, 1811718), (45, 1610416), (48, 1509765), (60, 1207812), (72, 1006510), (80, 905859), (90, 805208), (120, 603906), (144, 503255), (180, 402604), (240, 301953), (251, 288720), (360, 201302), (401, 180720), (502, 144360), (720, 100651), (753, 96240), (802, 90360), (1004, 72180), (1203, 60240), (1255, 57744), (1506, 48120), (1604, 45180), (2005, 36144), (2008, 36090), (2259, 32080), (2406, 30120), (2510, 28872), (3012, 24060), (3208, 22590), (3609, 20080), (3765, 19248), (4010, 18072), (4016, 18045), (4518, 16040), (4812, 15060), (5020, 14436), (6015, 12048), (6024, 12030), (6416, 11295), (7218, 10040), (7530, 9624), (8020, 9036)]