87977520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1811

約数の個数: 120

約数和(自身を含む): 299793312

約数和(自身を除く): 211815792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 1721, 2130, 2556, 2840, 3195, 3408, 3442, 4260, 5112, 5163, 5680, 6390, 6884, 8520, 8605, 10224, 10326, 12780, 13768, 15489, 17040, 17210, 20652, 25560, 25815, 27536, 30978, 34420, 41304, 51120, 51630, 61956, 68840, 77445, 82608, 103260, 122191, 123912, 137680, 154890, 206520, 244382, 247824, 309780, 366573, 413040, 488764, 610955, 619560, 733146, 977528, 1099719, 1221910, 1239120, 1466292, 1832865, 1955056, 2199438, 2443820, 2932584, 3665730, 4398876, 4887640, 5498595, 5865168, 7331460, 8797752, 9775280, 10997190, 14662920, 17595504, 21994380, 29325840, 43988760, 87977520]

約数ペア:

[(1, 87977520), (2, 43988760), (3, 29325840), (4, 21994380), (5, 17595504), (6, 14662920), (8, 10997190), (9, 9775280), (10, 8797752), (12, 7331460), (15, 5865168), (16, 5498595), (18, 4887640), (20, 4398876), (24, 3665730), (30, 2932584), (36, 2443820), (40, 2199438), (45, 1955056), (48, 1832865), (60, 1466292), (71, 1239120), (72, 1221910), (80, 1099719), (90, 977528), (120, 733146), (142, 619560), (144, 610955), (180, 488764), (213, 413040), (240, 366573), (284, 309780), (355, 247824), (360, 244382), (426, 206520), (568, 154890), (639, 137680), (710, 123912), (720, 122191), (852, 103260), (1065, 82608), (1136, 77445), (1278, 68840), (1420, 61956), (1704, 51630), (1721, 51120), (2130, 41304), (2556, 34420), (2840, 30978), (3195, 27536), (3408, 25815), (3442, 25560), (4260, 20652), (5112, 17210), (5163, 17040), (5680, 15489), (6390, 13768), (6884, 12780), (8520, 10326), (8605, 10224)]