12989280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{27061}}^1$

素因数の和:27079

約数の個数: 48

約数和(自身を含む): 40917744

約数和(自身を除く): 27928464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 27061, 54122, 81183, 108244, 135305, 162366, 216488, 270610, 324732, 405915, 432976, 541220, 649464, 811830, 865952, 1082440, 1298928, 1623660, 2164880, 2597856, 3247320, 4329760, 6494640, 12989280]

約数ペア:

[(1, 12989280), (2, 6494640), (3, 4329760), (4, 3247320), (5, 2597856), (6, 2164880), (8, 1623660), (10, 1298928), (12, 1082440), (15, 865952), (16, 811830), (20, 649464), (24, 541220), (30, 432976), (32, 405915), (40, 324732), (48, 270610), (60, 216488), (80, 162366), (96, 135305), (120, 108244), (160, 81183), (240, 54122), (480, 27061)]