406800720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2251}}^1$

素因数の和:2521

約数の個数: 120

約数和(自身を含む): 1372224672

約数和(自身を除く): 965423952

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, 502, 720, 753, 1004, 1255, 1506, 2008, 2251, 2259, 2510, 3012, 3765, 4016, 4502, 4518, 5020, 6024, 6753, 7530, 9004, 9036, 10040, 11255, 11295, 12048, 13506, 15060, 18008, 18072, 20080, 20259, 22510, 22590, 27012, 30120, 33765, 36016, 36144, 40518, 45020, 45180, 54024, 60240, 67530, 81036, 90040, 90360, 101295, 108048, 135060, 162072, 180080, 180720, 202590, 270120, 324144, 405180, 540240, 565001, 810360, 1130002, 1620720, 1695003, 2260004, 2825005, 3390006, 4520008, 5085009, 5650010, 6780012, 8475015, 9040016, 10170018, 11300020, 13560024, 16950030, 20340036, 22600040, 25425045, 27120048, 33900060, 40680072, 45200080, 50850090, 67800120, 81360144, 101700180, 135600240, 203400360, 406800720]

約数ペア:

[(1, 406800720), (2, 203400360), (3, 135600240), (4, 101700180), (5, 81360144), (6, 67800120), (8, 50850090), (9, 45200080), (10, 40680072), (12, 33900060), (15, 27120048), (16, 25425045), (18, 22600040), (20, 20340036), (24, 16950030), (30, 13560024), (36, 11300020), (40, 10170018), (45, 9040016), (48, 8475015), (60, 6780012), (72, 5650010), (80, 5085009), (90, 4520008), (120, 3390006), (144, 2825005), (180, 2260004), (240, 1695003), (251, 1620720), (360, 1130002), (502, 810360), (720, 565001), (753, 540240), (1004, 405180), (1255, 324144), (1506, 270120), (2008, 202590), (2251, 180720), (2259, 180080), (2510, 162072), (3012, 135060), (3765, 108048), (4016, 101295), (4502, 90360), (4518, 90040), (5020, 81036), (6024, 67530), (6753, 60240), (7530, 54024), (9004, 45180), (9036, 45020), (10040, 40518), (11255, 36144), (11295, 36016), (12048, 33765), (13506, 30120), (15060, 27012), (18008, 22590), (18072, 22510), (20080, 20259)]