75721680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 255921120

約数和(自身を除く): 180199440

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, 419, 502, 720, 753, 838, 1004, 1255, 1257, 1506, 1676, 2008, 2095, 2259, 2510, 2514, 3012, 3352, 3765, 3771, 4016, 4190, 4518, 5020, 5028, 6024, 6285, 6704, 7530, 7542, 8380, 9036, 10040, 10056, 11295, 12048, 12570, 15060, 15084, 16760, 18072, 18855, 20080, 20112, 22590, 25140, 30120, 30168, 33520, 36144, 37710, 45180, 50280, 60240, 60336, 75420, 90360, 100560, 105169, 150840, 180720, 210338, 301680, 315507, 420676, 525845, 631014, 841352, 946521, 1051690, 1262028, 1577535, 1682704, 1893042, 2103380, 2524056, 3155070, 3786084, 4206760, 4732605, 5048112, 6310140, 7572168, 8413520, 9465210, 12620280, 15144336, 18930420, 25240560, 37860840, 75721680]

約数ペア:

[(1, 75721680), (2, 37860840), (3, 25240560), (4, 18930420), (5, 15144336), (6, 12620280), (8, 9465210), (9, 8413520), (10, 7572168), (12, 6310140), (15, 5048112), (16, 4732605), (18, 4206760), (20, 3786084), (24, 3155070), (30, 2524056), (36, 2103380), (40, 1893042), (45, 1682704), (48, 1577535), (60, 1262028), (72, 1051690), (80, 946521), (90, 841352), (120, 631014), (144, 525845), (180, 420676), (240, 315507), (251, 301680), (360, 210338), (419, 180720), (502, 150840), (720, 105169), (753, 100560), (838, 90360), (1004, 75420), (1255, 60336), (1257, 60240), (1506, 50280), (1676, 45180), (2008, 37710), (2095, 36144), (2259, 33520), (2510, 30168), (2514, 30120), (3012, 25140), (3352, 22590), (3765, 20112), (3771, 20080), (4016, 18855), (4190, 18072), (4518, 16760), (5020, 15084), (5028, 15060), (6024, 12570), (6285, 12048), (6704, 11295), (7530, 10056), (7542, 10040), (8380, 9036)]