61890720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{128939}}^1$

素因数の和:128957

約数の個数: 48

約数和(自身を含む): 194957280

約数和(自身を除く): 133066560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 128939, 257878, 386817, 515756, 644695, 773634, 1031512, 1289390, 1547268, 1934085, 2063024, 2578780, 3094536, 3868170, 4126048, 5157560, 6189072, 7736340, 10315120, 12378144, 15472680, 20630240, 30945360, 61890720]

約数ペア:

[(1, 61890720), (2, 30945360), (3, 20630240), (4, 15472680), (5, 12378144), (6, 10315120), (8, 7736340), (10, 6189072), (12, 5157560), (15, 4126048), (16, 3868170), (20, 3094536), (24, 2578780), (30, 2063024), (32, 1934085), (40, 1547268), (48, 1289390), (60, 1031512), (80, 773634), (96, 644695), (120, 515756), (160, 386817), (240, 257878), (480, 128939)]