317878960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18311}}^1$

素因数の和:18362

約数の個数: 80

約数和(自身を含む): 871944192

約数和(自身を除く): 554065232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 18311, 36622, 73244, 91555, 128177, 146488, 183110, 256354, 292976, 366220, 512708, 567641, 640885, 732440, 1025416, 1135282, 1281770, 1464880, 2050832, 2270564, 2563540, 2838205, 3973487, 4541128, 5127080, 5676410, 7946974, 9082256, 10254160, 11352820, 15893948, 19867435, 22705640, 31787896, 39734870, 45411280, 63575792, 79469740, 158939480, 317878960]

約数ペア:

[(1, 317878960), (2, 158939480), (4, 79469740), (5, 63575792), (7, 45411280), (8, 39734870), (10, 31787896), (14, 22705640), (16, 19867435), (20, 15893948), (28, 11352820), (31, 10254160), (35, 9082256), (40, 7946974), (56, 5676410), (62, 5127080), (70, 4541128), (80, 3973487), (112, 2838205), (124, 2563540), (140, 2270564), (155, 2050832), (217, 1464880), (248, 1281770), (280, 1135282), (310, 1025416), (434, 732440), (496, 640885), (560, 567641), (620, 512708), (868, 366220), (1085, 292976), (1240, 256354), (1736, 183110), (2170, 146488), (2480, 128177), (3472, 91555), (4340, 73244), (8680, 36622), (17360, 18311)]