61555140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37997}}^1$

素因数の和:38018

約数の個数: 60

約数和(自身を含む): 193105836

約数和(自身を除く): 131550696

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 37997, 75994, 113991, 151988, 189985, 227982, 341973, 379970, 455964, 569955, 683946, 759940, 1025919, 1139910, 1367892, 1709865, 2051838, 2279820, 3077757, 3419730, 4103676, 5129595, 6155514, 6839460, 10259190, 12311028, 15388785, 20518380, 30777570, 61555140]

約数ペア:

[(1, 61555140), (2, 30777570), (3, 20518380), (4, 15388785), (5, 12311028), (6, 10259190), (9, 6839460), (10, 6155514), (12, 5129595), (15, 4103676), (18, 3419730), (20, 3077757), (27, 2279820), (30, 2051838), (36, 1709865), (45, 1367892), (54, 1139910), (60, 1025919), (81, 759940), (90, 683946), (108, 569955), (135, 455964), (162, 379970), (180, 341973), (270, 227982), (324, 189985), (405, 151988), (540, 113991), (810, 75994), (1620, 37997)]