20712455280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2615209}}^1$

素因数の和:2615239

約数の個数: 120

約数和(自身を含む): 75882933360

約数和(自身を除く): 55170478080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 2615209, 5230418, 7845627, 10460836, 13076045, 15691254, 20921672, 23536881, 26152090, 28767299, 31382508, 39228135, 41843344, 47073762, 52304180, 57534598, 62765016, 78456270, 86301897, 94147524, 104608360, 115069196, 117684405, 125530032, 143836495, 156912540, 172603794, 188295048, 209216720, 230138392, 235368810, 258905691, 287672990, 313825080, 345207588, 376590096, 431509485, 460276784, 470737620, 517811382, 575345980, 627650160, 690415176, 863018970, 941475240, 1035622764, 1150691960, 1294528455, 1380830352, 1726037940, 1882950480, 2071245528, 2301383920, 2589056910, 3452075880, 4142491056, 5178113820, 6904151760, 10356227640, 20712455280]

約数ペア:

[(1, 20712455280), (2, 10356227640), (3, 6904151760), (4, 5178113820), (5, 4142491056), (6, 3452075880), (8, 2589056910), (9, 2301383920), (10, 2071245528), (11, 1882950480), (12, 1726037940), (15, 1380830352), (16, 1294528455), (18, 1150691960), (20, 1035622764), (22, 941475240), (24, 863018970), (30, 690415176), (33, 627650160), (36, 575345980), (40, 517811382), (44, 470737620), (45, 460276784), (48, 431509485), (55, 376590096), (60, 345207588), (66, 313825080), (72, 287672990), (80, 258905691), (88, 235368810), (90, 230138392), (99, 209216720), (110, 188295048), (120, 172603794), (132, 156912540), (144, 143836495), (165, 125530032), (176, 117684405), (180, 115069196), (198, 104608360), (220, 94147524), (240, 86301897), (264, 78456270), (330, 62765016), (360, 57534598), (396, 52304180), (440, 47073762), (495, 41843344), (528, 39228135), (660, 31382508), (720, 28767299), (792, 26152090), (880, 23536881), (990, 20921672), (1320, 15691254), (1584, 13076045), (1980, 10460836), (2640, 7845627), (3960, 5230418), (7920, 2615209)]