12112520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 31449600

約数和(自身を除く): 19337080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 239, 280, 362, 478, 724, 905, 956, 1195, 1267, 1448, 1673, 1810, 1912, 2390, 2534, 3346, 3620, 4780, 5068, 6335, 6692, 7240, 8365, 9560, 10136, 12670, 13384, 16730, 25340, 33460, 43259, 50680, 66920, 86518, 173036, 216295, 302813, 346072, 432590, 605626, 865180, 1211252, 1514065, 1730360, 2422504, 3028130, 6056260, 12112520]

約数ペア:

[(1, 12112520), (2, 6056260), (4, 3028130), (5, 2422504), (7, 1730360), (8, 1514065), (10, 1211252), (14, 865180), (20, 605626), (28, 432590), (35, 346072), (40, 302813), (56, 216295), (70, 173036), (140, 86518), (181, 66920), (239, 50680), (280, 43259), (362, 33460), (478, 25340), (724, 16730), (905, 13384), (956, 12670), (1195, 10136), (1267, 9560), (1448, 8365), (1673, 7240), (1810, 6692), (1912, 6335), (2390, 5068), (2534, 4780), (3346, 3620)]