21575280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89897}}^1$

素因数の和:89913

約数の個数: 40

約数和(自身を含む): 66884112

約数和(自身を除く): 45308832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89897, 179794, 269691, 359588, 449485, 539382, 719176, 898970, 1078764, 1348455, 1438352, 1797940, 2157528, 2696910, 3595880, 4315056, 5393820, 7191760, 10787640, 21575280]

約数ペア:

[(1, 21575280), (2, 10787640), (3, 7191760), (4, 5393820), (5, 4315056), (6, 3595880), (8, 2696910), (10, 2157528), (12, 1797940), (15, 1438352), (16, 1348455), (20, 1078764), (24, 898970), (30, 719176), (40, 539382), (48, 449485), (60, 359588), (80, 269691), (120, 179794), (240, 89897)]