251011260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13807}}^1$

素因数の和:13923

約数の個数: 72

約数和(自身を含む): 768995136

約数和(自身を除く): 517983876

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, 3030, 3636, 4545, 6060, 9090, 13807, 18180, 27614, 41421, 55228, 69035, 82842, 124263, 138070, 165684, 207105, 248526, 276140, 414210, 497052, 621315, 828420, 1242630, 1394507, 2485260, 2789014, 4183521, 5578028, 6972535, 8367042, 12550563, 13945070, 16734084, 20917605, 25101126, 27890140, 41835210, 50202252, 62752815, 83670420, 125505630, 251011260]

約数ペア:

[(1, 251011260), (2, 125505630), (3, 83670420), (4, 62752815), (5, 50202252), (6, 41835210), (9, 27890140), (10, 25101126), (12, 20917605), (15, 16734084), (18, 13945070), (20, 12550563), (30, 8367042), (36, 6972535), (45, 5578028), (60, 4183521), (90, 2789014), (101, 2485260), (180, 1394507), (202, 1242630), (303, 828420), (404, 621315), (505, 497052), (606, 414210), (909, 276140), (1010, 248526), (1212, 207105), (1515, 165684), (1818, 138070), (2020, 124263), (3030, 82842), (3636, 69035), (4545, 55228), (6060, 41421), (9090, 27614), (13807, 18180)]