9980340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 28129920

約数和(自身を除く): 18149580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 919, 1086, 1810, 1838, 2172, 2715, 2757, 3620, 3676, 4595, 5430, 5514, 9190, 10860, 11028, 13785, 18380, 27570, 55140, 166339, 332678, 499017, 665356, 831695, 998034, 1663390, 1996068, 2495085, 3326780, 4990170, 9980340]

約数ペア:

[(1, 9980340), (2, 4990170), (3, 3326780), (4, 2495085), (5, 1996068), (6, 1663390), (10, 998034), (12, 831695), (15, 665356), (20, 499017), (30, 332678), (60, 166339), (181, 55140), (362, 27570), (543, 18380), (724, 13785), (905, 11028), (919, 10860), (1086, 9190), (1810, 5514), (1838, 5430), (2172, 4595), (2715, 3676), (2757, 3620)]