66815820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123733}}^1$

素因数の和:123751

約数の個数: 48

約数和(自身を含む): 207873120

約数和(自身を除く): 141057300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 123733, 247466, 371199, 494932, 618665, 742398, 1113597, 1237330, 1484796, 1855995, 2227194, 2474660, 3340791, 3711990, 4454388, 5567985, 6681582, 7423980, 11135970, 13363164, 16703955, 22271940, 33407910, 66815820]

約数ペア:

[(1, 66815820), (2, 33407910), (3, 22271940), (4, 16703955), (5, 13363164), (6, 11135970), (9, 7423980), (10, 6681582), (12, 5567985), (15, 4454388), (18, 3711990), (20, 3340791), (27, 2474660), (30, 2227194), (36, 1855995), (45, 1484796), (54, 1237330), (60, 1113597), (90, 742398), (108, 618665), (135, 494932), (180, 371199), (270, 247466), (540, 123733)]