87480180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25579}}^1$

素因数の和:25613

約数の個数: 72

約数和(自身を含む): 279333600

約数和(自身を除く): 191853420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 25579, 51158, 76737, 102316, 127895, 153474, 230211, 255790, 306948, 383685, 460422, 486001, 511580, 767370, 920844, 972002, 1151055, 1458003, 1534740, 1944004, 2302110, 2430005, 2916006, 4374009, 4604220, 4860010, 5832012, 7290015, 8748018, 9720020, 14580030, 17496036, 21870045, 29160060, 43740090, 87480180]

約数ペア:

[(1, 87480180), (2, 43740090), (3, 29160060), (4, 21870045), (5, 17496036), (6, 14580030), (9, 9720020), (10, 8748018), (12, 7290015), (15, 5832012), (18, 4860010), (19, 4604220), (20, 4374009), (30, 2916006), (36, 2430005), (38, 2302110), (45, 1944004), (57, 1534740), (60, 1458003), (76, 1151055), (90, 972002), (95, 920844), (114, 767370), (171, 511580), (180, 486001), (190, 460422), (228, 383685), (285, 306948), (342, 255790), (380, 230211), (570, 153474), (684, 127895), (855, 102316), (1140, 76737), (1710, 51158), (3420, 25579)]