64380720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268253}}^1$

素因数の和:268269

約数の個数: 40

約数和(自身を含む): 199580976

約数和(自身を除く): 135200256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268253, 536506, 804759, 1073012, 1341265, 1609518, 2146024, 2682530, 3219036, 4023795, 4292048, 5365060, 6438072, 8047590, 10730120, 12876144, 16095180, 21460240, 32190360, 64380720]

約数ペア:

[(1, 64380720), (2, 32190360), (3, 21460240), (4, 16095180), (5, 12876144), (6, 10730120), (8, 8047590), (10, 6438072), (12, 5365060), (15, 4292048), (16, 4023795), (20, 3219036), (24, 2682530), (30, 2146024), (40, 1609518), (48, 1341265), (60, 1073012), (80, 804759), (120, 536506), (240, 268253)]