420660720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{863}}^1$

素因数の和:1559

約数の個数: 120

約数和(自身を含む): 1416445056

約数和(自身を除く): 995784336

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, 360, 677, 720, 863, 1354, 1726, 2031, 2589, 2708, 3385, 3452, 4062, 4315, 5178, 5416, 6093, 6770, 6904, 7767, 8124, 8630, 10155, 10356, 10832, 12186, 12945, 13540, 13808, 15534, 16248, 17260, 20310, 20712, 24372, 25890, 27080, 30465, 31068, 32496, 34520, 38835, 40620, 41424, 48744, 51780, 54160, 60930, 62136, 69040, 77670, 81240, 97488, 103560, 121860, 124272, 155340, 162480, 207120, 243720, 310680, 487440, 584251, 621360, 1168502, 1752753, 2337004, 2921255, 3505506, 4674008, 5258259, 5842510, 7011012, 8763765, 9348016, 10516518, 11685020, 14022024, 17527530, 21033036, 23370040, 26291295, 28044048, 35055060, 42066072, 46740080, 52582590, 70110120, 84132144, 105165180, 140220240, 210330360, 420660720]

約数ペア:

[(1, 420660720), (2, 210330360), (3, 140220240), (4, 105165180), (5, 84132144), (6, 70110120), (8, 52582590), (9, 46740080), (10, 42066072), (12, 35055060), (15, 28044048), (16, 26291295), (18, 23370040), (20, 21033036), (24, 17527530), (30, 14022024), (36, 11685020), (40, 10516518), (45, 9348016), (48, 8763765), (60, 7011012), (72, 5842510), (80, 5258259), (90, 4674008), (120, 3505506), (144, 2921255), (180, 2337004), (240, 1752753), (360, 1168502), (677, 621360), (720, 584251), (863, 487440), (1354, 310680), (1726, 243720), (2031, 207120), (2589, 162480), (2708, 155340), (3385, 124272), (3452, 121860), (4062, 103560), (4315, 97488), (5178, 81240), (5416, 77670), (6093, 69040), (6770, 62136), (6904, 60930), (7767, 54160), (8124, 51780), (8630, 48744), (10155, 41424), (10356, 40620), (10832, 38835), (12186, 34520), (12945, 32496), (13540, 31068), (13808, 30465), (15534, 27080), (16248, 25890), (17260, 24372), (20310, 20712)]