165618740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1231}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 411054336

約数和(自身を除く): 245435596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1231, 1922, 2170, 2462, 3844, 4340, 4805, 4924, 6155, 6727, 8617, 9610, 12310, 13454, 17234, 19220, 24620, 26908, 33635, 34468, 38161, 43085, 67270, 76322, 86170, 134540, 152644, 172340, 190805, 267127, 381610, 534254, 763220, 1068508, 1182991, 1335635, 2365982, 2671270, 4731964, 5342540, 5914955, 8280937, 11829910, 16561874, 23659820, 33123748, 41404685, 82809370, 165618740]

約数ペア:

[(1, 165618740), (2, 82809370), (4, 41404685), (5, 33123748), (7, 23659820), (10, 16561874), (14, 11829910), (20, 8280937), (28, 5914955), (31, 5342540), (35, 4731964), (62, 2671270), (70, 2365982), (124, 1335635), (140, 1182991), (155, 1068508), (217, 763220), (310, 534254), (434, 381610), (620, 267127), (868, 190805), (961, 172340), (1085, 152644), (1231, 134540), (1922, 86170), (2170, 76322), (2462, 67270), (3844, 43085), (4340, 38161), (4805, 34468), (4924, 33635), (6155, 26908), (6727, 24620), (8617, 19220), (9610, 17234), (12310, 13454)]