66708760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 154586880

約数和(自身を除く): 87878120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 283, 284, 332, 355, 415, 566, 568, 664, 710, 830, 1132, 1415, 1420, 1660, 2264, 2830, 2840, 3320, 5660, 5893, 11320, 11786, 20093, 23489, 23572, 29465, 40186, 46978, 47144, 58930, 80372, 93956, 100465, 117445, 117860, 160744, 187912, 200930, 234890, 235720, 401860, 469780, 803720, 939560, 1667719, 3335438, 6670876, 8338595, 13341752, 16677190, 33354380, 66708760]

約数ペア:

[(1, 66708760), (2, 33354380), (4, 16677190), (5, 13341752), (8, 8338595), (10, 6670876), (20, 3335438), (40, 1667719), (71, 939560), (83, 803720), (142, 469780), (166, 401860), (283, 235720), (284, 234890), (332, 200930), (355, 187912), (415, 160744), (566, 117860), (568, 117445), (664, 100465), (710, 93956), (830, 80372), (1132, 58930), (1415, 47144), (1420, 46978), (1660, 40186), (2264, 29465), (2830, 23572), (2840, 23489), (3320, 20093), (5660, 11786), (5893, 11320)]