66780180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123667}}^1$

素因数の和:123685

約数の個数: 48

約数和(自身を含む): 207762240

約数和(自身を除く): 140982060

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, 123667, 247334, 371001, 494668, 618335, 742002, 1113003, 1236670, 1484004, 1855005, 2226006, 2473340, 3339009, 3710010, 4452012, 5565015, 6678018, 7420020, 11130030, 13356036, 16695045, 22260060, 33390090, 66780180]

約数ペア:

[(1, 66780180), (2, 33390090), (3, 22260060), (4, 16695045), (5, 13356036), (6, 11130030), (9, 7420020), (10, 6678018), (12, 5565015), (15, 4452012), (18, 3710010), (20, 3339009), (27, 2473340), (30, 2226006), (36, 1855005), (45, 1484004), (54, 1236670), (60, 1113003), (90, 742002), (108, 618335), (135, 494668), (180, 371001), (270, 247334), (540, 123667)]