51831180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2967

約数の個数: 72

約数和(自身を含む): 158833584

約数和(自身を除く): 107002404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 2851, 3030, 3636, 4545, 5702, 6060, 8553, 9090, 11404, 14255, 17106, 18180, 25659, 28510, 34212, 42765, 51318, 57020, 85530, 102636, 128295, 171060, 256590, 287951, 513180, 575902, 863853, 1151804, 1439755, 1727706, 2591559, 2879510, 3455412, 4319265, 5183118, 5759020, 8638530, 10366236, 12957795, 17277060, 25915590, 51831180]

約数ペア:

[(1, 51831180), (2, 25915590), (3, 17277060), (4, 12957795), (5, 10366236), (6, 8638530), (9, 5759020), (10, 5183118), (12, 4319265), (15, 3455412), (18, 2879510), (20, 2591559), (30, 1727706), (36, 1439755), (45, 1151804), (60, 863853), (90, 575902), (101, 513180), (180, 287951), (202, 256590), (303, 171060), (404, 128295), (505, 102636), (606, 85530), (909, 57020), (1010, 51318), (1212, 42765), (1515, 34212), (1818, 28510), (2020, 25659), (2851, 18180), (3030, 17106), (3636, 14255), (4545, 11404), (5702, 9090), (6060, 8553)]