155943760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 416259072

約数和(自身を除く): 260315312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 991, 1124, 1405, 1967, 1982, 2248, 2810, 3934, 3964, 4496, 4955, 5620, 6937, 7868, 7928, 9835, 9910, 11240, 13874, 15736, 15856, 19670, 19820, 22480, 27748, 31472, 34685, 39340, 39640, 55496, 69370, 78680, 79280, 110992, 138740, 157360, 277480, 278471, 554960, 556942, 1113884, 1392355, 1949297, 2227768, 2784710, 3898594, 4455536, 5569420, 7797188, 9746485, 11138840, 15594376, 19492970, 22277680, 31188752, 38985940, 77971880, 155943760]

約数ペア:

[(1, 155943760), (2, 77971880), (4, 38985940), (5, 31188752), (7, 22277680), (8, 19492970), (10, 15594376), (14, 11138840), (16, 9746485), (20, 7797188), (28, 5569420), (35, 4455536), (40, 3898594), (56, 2784710), (70, 2227768), (80, 1949297), (112, 1392355), (140, 1113884), (280, 556942), (281, 554960), (560, 278471), (562, 277480), (991, 157360), (1124, 138740), (1405, 110992), (1967, 79280), (1982, 78680), (2248, 69370), (2810, 55496), (3934, 39640), (3964, 39340), (4496, 34685), (4955, 31472), (5620, 27748), (6937, 22480), (7868, 19820), (7928, 19670), (9835, 15856), (9910, 15736), (11240, 13874)]