2808810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 7637760

約数和(自身を除く): 4828950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 101, 103, 135, 202, 206, 270, 303, 309, 505, 515, 606, 618, 909, 927, 1010, 1030, 1515, 1545, 1818, 1854, 2727, 2781, 3030, 3090, 4545, 4635, 5454, 5562, 9090, 9270, 10403, 13635, 13905, 20806, 27270, 27810, 31209, 52015, 62418, 93627, 104030, 156045, 187254, 280881, 312090, 468135, 561762, 936270, 1404405, 2808810]

約数ペア:

[(1, 2808810), (2, 1404405), (3, 936270), (5, 561762), (6, 468135), (9, 312090), (10, 280881), (15, 187254), (18, 156045), (27, 104030), (30, 93627), (45, 62418), (54, 52015), (90, 31209), (101, 27810), (103, 27270), (135, 20806), (202, 13905), (206, 13635), (270, 10403), (303, 9270), (309, 9090), (505, 5562), (515, 5454), (606, 4635), (618, 4545), (909, 3090), (927, 3030), (1010, 2781), (1030, 2727), (1515, 1854), (1545, 1818)]