258520640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1036

約数の個数: 112

約数和(自身を含む): 709720704

約数和(自身を除く): 451200064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 131, 140, 160, 224, 262, 280, 320, 448, 524, 560, 655, 881, 917, 1048, 1120, 1310, 1762, 1834, 2096, 2240, 2620, 3524, 3668, 4192, 4405, 4585, 5240, 6167, 7048, 7336, 8384, 8810, 9170, 10480, 12334, 14096, 14672, 17620, 18340, 20960, 24668, 28192, 29344, 30835, 35240, 36680, 41920, 49336, 56384, 58688, 61670, 70480, 73360, 98672, 115411, 123340, 140960, 146720, 197344, 230822, 246680, 281920, 293440, 394688, 461644, 493360, 577055, 807877, 923288, 986720, 1154110, 1615754, 1846576, 1973440, 2308220, 3231508, 3693152, 4039385, 4616440, 6463016, 7386304, 8078770, 9232880, 12926032, 16157540, 18465760, 25852064, 32315080, 36931520, 51704128, 64630160, 129260320, 258520640]

約数ペア:

[(1, 258520640), (2, 129260320), (4, 64630160), (5, 51704128), (7, 36931520), (8, 32315080), (10, 25852064), (14, 18465760), (16, 16157540), (20, 12926032), (28, 9232880), (32, 8078770), (35, 7386304), (40, 6463016), (56, 4616440), (64, 4039385), (70, 3693152), (80, 3231508), (112, 2308220), (131, 1973440), (140, 1846576), (160, 1615754), (224, 1154110), (262, 986720), (280, 923288), (320, 807877), (448, 577055), (524, 493360), (560, 461644), (655, 394688), (881, 293440), (917, 281920), (1048, 246680), (1120, 230822), (1310, 197344), (1762, 146720), (1834, 140960), (2096, 123340), (2240, 115411), (2620, 98672), (3524, 73360), (3668, 70480), (4192, 61670), (4405, 58688), (4585, 56384), (5240, 49336), (6167, 41920), (7048, 36680), (7336, 35240), (8384, 30835), (8810, 29344), (9170, 28192), (10480, 24668), (12334, 20960), (14096, 18340), (14672, 17620)]