12016980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 36868104

約数和(自身を除く): 24851124

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, 661, 909, 1010, 1212, 1322, 1515, 1818, 1983, 2020, 2644, 3030, 3305, 3636, 3966, 4545, 5949, 6060, 6610, 7932, 9090, 9915, 11898, 13220, 18180, 19830, 23796, 29745, 39660, 59490, 66761, 118980, 133522, 200283, 267044, 333805, 400566, 600849, 667610, 801132, 1001415, 1201698, 1335220, 2002830, 2403396, 3004245, 4005660, 6008490, 12016980]

約数ペア:

[(1, 12016980), (2, 6008490), (3, 4005660), (4, 3004245), (5, 2403396), (6, 2002830), (9, 1335220), (10, 1201698), (12, 1001415), (15, 801132), (18, 667610), (20, 600849), (30, 400566), (36, 333805), (45, 267044), (60, 200283), (90, 133522), (101, 118980), (180, 66761), (202, 59490), (303, 39660), (404, 29745), (505, 23796), (606, 19830), (661, 18180), (909, 13220), (1010, 11898), (1212, 9915), (1322, 9090), (1515, 7932), (1818, 6610), (1983, 6060), (2020, 5949), (2644, 4545), (3030, 3966), (3305, 3636)]