79517480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9161}}^1$

素因数の和:9210

約数の個数: 64

約数和(自身を含む): 211092480

約数和(自身を除く): 131575000

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, 9161, 18322, 36644, 45805, 64127, 73288, 91610, 128254, 183220, 256508, 283991, 320635, 366440, 513016, 567982, 641270, 1135964, 1282540, 1419955, 1987937, 2271928, 2565080, 2839910, 3975874, 5679820, 7951748, 9939685, 11359640, 15903496, 19879370, 39758740, 79517480]

約数ペア:

[(1, 79517480), (2, 39758740), (4, 19879370), (5, 15903496), (7, 11359640), (8, 9939685), (10, 7951748), (14, 5679820), (20, 3975874), (28, 2839910), (31, 2565080), (35, 2271928), (40, 1987937), (56, 1419955), (62, 1282540), (70, 1135964), (124, 641270), (140, 567982), (155, 513016), (217, 366440), (248, 320635), (280, 283991), (310, 256508), (434, 183220), (620, 128254), (868, 91610), (1085, 73288), (1240, 64127), (1736, 45805), (2170, 36644), (4340, 18322), (8680, 9161)]