12861720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11909}}^1$

素因数の和:11929

約数の個数: 64

約数和(自身を含む): 42876000

約数和(自身を除く): 30014280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 11909, 23818, 35727, 47636, 59545, 71454, 95272, 107181, 119090, 142908, 178635, 214362, 238180, 285816, 321543, 357270, 428724, 476360, 535905, 643086, 714540, 857448, 1071810, 1286172, 1429080, 1607715, 2143620, 2572344, 3215430, 4287240, 6430860, 12861720]

約数ペア:

[(1, 12861720), (2, 6430860), (3, 4287240), (4, 3215430), (5, 2572344), (6, 2143620), (8, 1607715), (9, 1429080), (10, 1286172), (12, 1071810), (15, 857448), (18, 714540), (20, 643086), (24, 535905), (27, 476360), (30, 428724), (36, 357270), (40, 321543), (45, 285816), (54, 238180), (60, 214362), (72, 178635), (90, 142908), (108, 119090), (120, 107181), (135, 95272), (180, 71454), (216, 59545), (270, 47636), (360, 35727), (540, 23818), (1080, 11909)]