123780240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171917}}^1$

素因数の和:171936

約数の個数: 60

約数和(自身を含む): 415697724

約数和(自身を除く): 291917484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171917, 343834, 515751, 687668, 859585, 1031502, 1375336, 1547253, 1719170, 2063004, 2578755, 2750672, 3094506, 3438340, 4126008, 5157510, 6189012, 6876680, 7736265, 8252016, 10315020, 12378024, 13753360, 15472530, 20630040, 24756048, 30945060, 41260080, 61890120, 123780240]

約数ペア:

[(1, 123780240), (2, 61890120), (3, 41260080), (4, 30945060), (5, 24756048), (6, 20630040), (8, 15472530), (9, 13753360), (10, 12378024), (12, 10315020), (15, 8252016), (16, 7736265), (18, 6876680), (20, 6189012), (24, 5157510), (30, 4126008), (36, 3438340), (40, 3094506), (45, 2750672), (48, 2578755), (60, 2063004), (72, 1719170), (80, 1547253), (90, 1375336), (120, 1031502), (144, 859585), (180, 687668), (240, 515751), (360, 343834), (720, 171917)]