729215480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{84011}}^1$

素因数の和:84060

約数の個数: 64

約数和(自身を含む): 1935636480

約数和(自身を除く): 1206421000

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, 84011, 168022, 336044, 420055, 588077, 672088, 840110, 1176154, 1680220, 2352308, 2604341, 2940385, 3360440, 4704616, 5208682, 5880770, 10417364, 11761540, 13021705, 18230387, 20834728, 23523080, 26043410, 36460774, 52086820, 72921548, 91151935, 104173640, 145843096, 182303870, 364607740, 729215480]

約数ペア:

[(1, 729215480), (2, 364607740), (4, 182303870), (5, 145843096), (7, 104173640), (8, 91151935), (10, 72921548), (14, 52086820), (20, 36460774), (28, 26043410), (31, 23523080), (35, 20834728), (40, 18230387), (56, 13021705), (62, 11761540), (70, 10417364), (124, 5880770), (140, 5208682), (155, 4704616), (217, 3360440), (248, 2940385), (280, 2604341), (310, 2352308), (434, 1680220), (620, 1176154), (868, 840110), (1085, 672088), (1240, 588077), (1736, 420055), (2170, 336044), (4340, 168022), (8680, 84011)]