219952560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{916469}}^1$

素因数の和:916485

約数の個数: 40

約数和(自身を含む): 681853680

約数和(自身を除く): 461901120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 916469, 1832938, 2749407, 3665876, 4582345, 5498814, 7331752, 9164690, 10997628, 13747035, 14663504, 18329380, 21995256, 27494070, 36658760, 43990512, 54988140, 73317520, 109976280, 219952560]

約数ペア:

[(1, 219952560), (2, 109976280), (3, 73317520), (4, 54988140), (5, 43990512), (6, 36658760), (8, 27494070), (10, 21995256), (12, 18329380), (15, 14663504), (16, 13747035), (20, 10997628), (24, 9164690), (30, 7331752), (40, 5498814), (48, 4582345), (60, 3665876), (80, 2749407), (120, 1832938), (240, 916469)]