19681680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82007}}^1$

素因数の和:82023

約数の個数: 40

約数和(自身を含む): 61013952

約数和(自身を除く): 41332272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82007, 164014, 246021, 328028, 410035, 492042, 656056, 820070, 984084, 1230105, 1312112, 1640140, 1968168, 2460210, 3280280, 3936336, 4920420, 6560560, 9840840, 19681680]

約数ペア:

[(1, 19681680), (2, 9840840), (3, 6560560), (4, 4920420), (5, 3936336), (6, 3280280), (8, 2460210), (10, 1968168), (12, 1640140), (15, 1312112), (16, 1230105), (20, 984084), (24, 820070), (30, 656056), (40, 492042), (48, 410035), (60, 328028), (80, 246021), (120, 164014), (240, 82007)]