121425720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 395115840

約数和(自身を除く): 273690120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 277, 281, 312, 390, 520, 554, 562, 780, 831, 843, 1108, 1124, 1385, 1405, 1560, 1662, 1686, 2216, 2248, 2770, 2810, 3324, 3372, 3601, 3653, 4155, 4215, 5540, 5620, 6648, 6744, 7202, 7306, 8310, 8430, 10803, 10959, 11080, 11240, 14404, 14612, 16620, 16860, 18005, 18265, 21606, 21918, 28808, 29224, 33240, 33720, 36010, 36530, 43212, 43836, 54015, 54795, 72020, 73060, 77837, 86424, 87672, 108030, 109590, 144040, 146120, 155674, 216060, 219180, 233511, 311348, 389185, 432120, 438360, 467022, 622696, 778370, 934044, 1011881, 1167555, 1556740, 1868088, 2023762, 2335110, 3035643, 3113480, 4047524, 4670220, 5059405, 6071286, 8095048, 9340440, 10118810, 12142572, 15178215, 20237620, 24285144, 30356430, 40475240, 60712860, 121425720]

約数ペア:

[(1, 121425720), (2, 60712860), (3, 40475240), (4, 30356430), (5, 24285144), (6, 20237620), (8, 15178215), (10, 12142572), (12, 10118810), (13, 9340440), (15, 8095048), (20, 6071286), (24, 5059405), (26, 4670220), (30, 4047524), (39, 3113480), (40, 3035643), (52, 2335110), (60, 2023762), (65, 1868088), (78, 1556740), (104, 1167555), (120, 1011881), (130, 934044), (156, 778370), (195, 622696), (260, 467022), (277, 438360), (281, 432120), (312, 389185), (390, 311348), (520, 233511), (554, 219180), (562, 216060), (780, 155674), (831, 146120), (843, 144040), (1108, 109590), (1124, 108030), (1385, 87672), (1405, 86424), (1560, 77837), (1662, 73060), (1686, 72020), (2216, 54795), (2248, 54015), (2770, 43836), (2810, 43212), (3324, 36530), (3372, 36010), (3601, 33720), (3653, 33240), (4155, 29224), (4215, 28808), (5540, 21918), (5620, 21606), (6648, 18265), (6744, 18005), (7202, 16860), (7306, 16620), (8310, 14612), (8430, 14404), (10803, 11240), (10959, 11080)]