230240720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 556250112

約数和(自身を除く): 326009392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 263, 310, 353, 496, 526, 620, 706, 1052, 1240, 1315, 1412, 1765, 2104, 2480, 2630, 2824, 3530, 4208, 5260, 5648, 7060, 8153, 10520, 10943, 14120, 16306, 21040, 21886, 28240, 32612, 40765, 43772, 54715, 65224, 81530, 87544, 92839, 109430, 130448, 163060, 175088, 185678, 218860, 326120, 371356, 437720, 464195, 652240, 742712, 875440, 928390, 1485424, 1856780, 2878009, 3713560, 5756018, 7427120, 11512036, 14390045, 23024072, 28780090, 46048144, 57560180, 115120360, 230240720]

約数ペア:

[(1, 230240720), (2, 115120360), (4, 57560180), (5, 46048144), (8, 28780090), (10, 23024072), (16, 14390045), (20, 11512036), (31, 7427120), (40, 5756018), (62, 3713560), (80, 2878009), (124, 1856780), (155, 1485424), (248, 928390), (263, 875440), (310, 742712), (353, 652240), (496, 464195), (526, 437720), (620, 371356), (706, 326120), (1052, 218860), (1240, 185678), (1315, 175088), (1412, 163060), (1765, 130448), (2104, 109430), (2480, 92839), (2630, 87544), (2824, 81530), (3530, 65224), (4208, 54715), (5260, 43772), (5648, 40765), (7060, 32612), (8153, 28240), (10520, 21886), (10943, 21040), (14120, 16306)]