657738180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{332191}}^1$

素因数の和:332217

約数の個数: 72

約数和(自身を含む): 2176521984

約数和(自身を除く): 1518783804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 332191, 664382, 996573, 1328764, 1660955, 1993146, 2989719, 3321910, 3654101, 3986292, 4982865, 5979438, 6643820, 7308202, 9965730, 10962303, 11958876, 14616404, 14948595, 18270505, 19931460, 21924606, 29897190, 32886909, 36541010, 43849212, 54811515, 59794380, 65773818, 73082020, 109623030, 131547636, 164434545, 219246060, 328869090, 657738180]

約数ペア:

[(1, 657738180), (2, 328869090), (3, 219246060), (4, 164434545), (5, 131547636), (6, 109623030), (9, 73082020), (10, 65773818), (11, 59794380), (12, 54811515), (15, 43849212), (18, 36541010), (20, 32886909), (22, 29897190), (30, 21924606), (33, 19931460), (36, 18270505), (44, 14948595), (45, 14616404), (55, 11958876), (60, 10962303), (66, 9965730), (90, 7308202), (99, 6643820), (110, 5979438), (132, 4982865), (165, 3986292), (180, 3654101), (198, 3321910), (220, 2989719), (330, 1993146), (396, 1660955), (495, 1328764), (660, 996573), (990, 664382), (1980, 332191)]