8440140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 23804928

約数和(自身を除く): 15364788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 863, 978, 1630, 1726, 1956, 2445, 2589, 3260, 3452, 4315, 4890, 5178, 8630, 9780, 10356, 12945, 17260, 25890, 51780, 140669, 281338, 422007, 562676, 703345, 844014, 1406690, 1688028, 2110035, 2813380, 4220070, 8440140]

約数ペア:

[(1, 8440140), (2, 4220070), (3, 2813380), (4, 2110035), (5, 1688028), (6, 1406690), (10, 844014), (12, 703345), (15, 562676), (20, 422007), (30, 281338), (60, 140669), (163, 51780), (326, 25890), (489, 17260), (652, 12945), (815, 10356), (863, 9780), (978, 8630), (1630, 5178), (1726, 4890), (1956, 4315), (2445, 3452), (2589, 3260)]