85071280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2174

約数の個数: 80

約数和(自身を含む): 229253184

約数和(自身を除く): 144181904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2081, 2555, 2920, 4088, 4162, 5110, 5840, 8176, 8324, 10220, 10405, 14567, 16648, 20440, 20810, 29134, 33296, 40880, 41620, 58268, 72835, 83240, 116536, 145670, 151913, 166480, 233072, 291340, 303826, 582680, 607652, 759565, 1063391, 1165360, 1215304, 1519130, 2126782, 2430608, 3038260, 4253564, 5316955, 6076520, 8507128, 10633910, 12153040, 17014256, 21267820, 42535640, 85071280]

約数ペア:

[(1, 85071280), (2, 42535640), (4, 21267820), (5, 17014256), (7, 12153040), (8, 10633910), (10, 8507128), (14, 6076520), (16, 5316955), (20, 4253564), (28, 3038260), (35, 2430608), (40, 2126782), (56, 1519130), (70, 1215304), (73, 1165360), (80, 1063391), (112, 759565), (140, 607652), (146, 582680), (280, 303826), (292, 291340), (365, 233072), (511, 166480), (560, 151913), (584, 145670), (730, 116536), (1022, 83240), (1168, 72835), (1460, 58268), (2044, 41620), (2081, 40880), (2555, 33296), (2920, 29134), (4088, 20810), (4162, 20440), (5110, 16648), (5840, 14567), (8176, 10405), (8324, 10220)]