18063080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2130

約数の個数: 64

約数和(自身を含む): 47969280

約数和(自身を除く): 29906200

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, 2081, 2170, 4162, 4340, 8324, 8680, 10405, 14567, 16648, 20810, 29134, 41620, 58268, 64511, 72835, 83240, 116536, 129022, 145670, 258044, 291340, 322555, 451577, 516088, 582680, 645110, 903154, 1290220, 1806308, 2257885, 2580440, 3612616, 4515770, 9031540, 18063080]

約数ペア:

[(1, 18063080), (2, 9031540), (4, 4515770), (5, 3612616), (7, 2580440), (8, 2257885), (10, 1806308), (14, 1290220), (20, 903154), (28, 645110), (31, 582680), (35, 516088), (40, 451577), (56, 322555), (62, 291340), (70, 258044), (124, 145670), (140, 129022), (155, 116536), (217, 83240), (248, 72835), (280, 64511), (310, 58268), (434, 41620), (620, 29134), (868, 20810), (1085, 16648), (1240, 14567), (1736, 10405), (2081, 8680), (2170, 8324), (4162, 4340)]