156181720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 386078400

約数和(自身を除く): 229896680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 239, 248, 310, 340, 478, 527, 620, 680, 956, 961, 1054, 1195, 1240, 1912, 1922, 2108, 2390, 2635, 3844, 4063, 4216, 4780, 4805, 5270, 7409, 7688, 8126, 9560, 9610, 10540, 14818, 16252, 16337, 19220, 20315, 21080, 29636, 32504, 32674, 37045, 38440, 40630, 59272, 65348, 74090, 81260, 81685, 125953, 130696, 148180, 162520, 163370, 229679, 251906, 296360, 326740, 459358, 503812, 629765, 653480, 918716, 1007624, 1148395, 1259530, 1837432, 2296790, 2519060, 3904543, 4593580, 5038120, 7809086, 9187160, 15618172, 19522715, 31236344, 39045430, 78090860, 156181720]

約数ペア:

[(1, 156181720), (2, 78090860), (4, 39045430), (5, 31236344), (8, 19522715), (10, 15618172), (17, 9187160), (20, 7809086), (31, 5038120), (34, 4593580), (40, 3904543), (62, 2519060), (68, 2296790), (85, 1837432), (124, 1259530), (136, 1148395), (155, 1007624), (170, 918716), (239, 653480), (248, 629765), (310, 503812), (340, 459358), (478, 326740), (527, 296360), (620, 251906), (680, 229679), (956, 163370), (961, 162520), (1054, 148180), (1195, 130696), (1240, 125953), (1912, 81685), (1922, 81260), (2108, 74090), (2390, 65348), (2635, 59272), (3844, 40630), (4063, 38440), (4216, 37045), (4780, 32674), (4805, 32504), (5270, 29636), (7409, 21080), (7688, 20315), (8126, 19220), (9560, 16337), (9610, 16252), (10540, 14818)]