15689340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 48117888

約数和(自身を除く): 32428548

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, 863, 909, 1010, 1212, 1515, 1726, 1818, 2020, 2589, 3030, 3452, 3636, 4315, 4545, 5178, 6060, 7767, 8630, 9090, 10356, 12945, 15534, 17260, 18180, 25890, 31068, 38835, 51780, 77670, 87163, 155340, 174326, 261489, 348652, 435815, 522978, 784467, 871630, 1045956, 1307445, 1568934, 1743260, 2614890, 3137868, 3922335, 5229780, 7844670, 15689340]

約数ペア:

[(1, 15689340), (2, 7844670), (3, 5229780), (4, 3922335), (5, 3137868), (6, 2614890), (9, 1743260), (10, 1568934), (12, 1307445), (15, 1045956), (18, 871630), (20, 784467), (30, 522978), (36, 435815), (45, 348652), (60, 261489), (90, 174326), (101, 155340), (180, 87163), (202, 77670), (303, 51780), (404, 38835), (505, 31068), (606, 25890), (863, 18180), (909, 17260), (1010, 15534), (1212, 12945), (1515, 10356), (1726, 9090), (1818, 8630), (2020, 7767), (2589, 6060), (3030, 5178), (3452, 4545), (3636, 4315)]