217680720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47737}}^1$

素因数の和:47772

約数の個数: 80

約数和(自身を含む): 710341440

約数和(自身を除く): 492660720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 47737, 95474, 143211, 190948, 238685, 286422, 381896, 477370, 572844, 716055, 763792, 907003, 954740, 1145688, 1432110, 1814006, 1909480, 2291376, 2721009, 2864220, 3628012, 3818960, 4535015, 5442018, 5728440, 7256024, 9070030, 10884036, 11456880, 13605045, 14512048, 18140060, 21768072, 27210090, 36280120, 43536144, 54420180, 72560240, 108840360, 217680720]

約数ペア:

[(1, 217680720), (2, 108840360), (3, 72560240), (4, 54420180), (5, 43536144), (6, 36280120), (8, 27210090), (10, 21768072), (12, 18140060), (15, 14512048), (16, 13605045), (19, 11456880), (20, 10884036), (24, 9070030), (30, 7256024), (38, 5728440), (40, 5442018), (48, 4535015), (57, 3818960), (60, 3628012), (76, 2864220), (80, 2721009), (95, 2291376), (114, 1909480), (120, 1814006), (152, 1432110), (190, 1145688), (228, 954740), (240, 907003), (285, 763792), (304, 716055), (380, 572844), (456, 477370), (570, 381896), (760, 286422), (912, 238685), (1140, 190948), (1520, 143211), (2280, 95474), (4560, 47737)]