268307480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30911}}^1$

素因数の和:30960

約数の個数: 64

約数和(自身を含む): 712212480

約数和(自身を除く): 443905000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 30911, 61822, 123644, 154555, 216377, 247288, 309110, 432754, 618220, 865508, 958241, 1081885, 1236440, 1731016, 1916482, 2163770, 3832964, 4327540, 4791205, 6707687, 7665928, 8655080, 9582410, 13415374, 19164820, 26830748, 33538435, 38329640, 53661496, 67076870, 134153740, 268307480]

約数ペア:

[(1, 268307480), (2, 134153740), (4, 67076870), (5, 53661496), (7, 38329640), (8, 33538435), (10, 26830748), (14, 19164820), (20, 13415374), (28, 9582410), (31, 8655080), (35, 7665928), (40, 6707687), (56, 4791205), (62, 4327540), (70, 3832964), (124, 2163770), (140, 1916482), (155, 1731016), (217, 1236440), (248, 1081885), (280, 958241), (310, 865508), (434, 618220), (620, 432754), (868, 309110), (1085, 247288), (1240, 216377), (1736, 154555), (2170, 123644), (4340, 61822), (8680, 30911)]