26415720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 91998720

約数和(自身を除く): 65583000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 263, 270, 279, 310, 324, 360, 372, 405, 465, 526, 540, 558, 620, 648, 744, 789, 810, 837, 930, 1052, 1080, 1116, 1240, 1315, 1395, 1578, 1620, 1674, 1860, 2104, 2232, 2367, 2511, 2630, 2790, 3156, 3240, 3348, 3720, 3945, 4185, 4734, 5022, 5260, 5580, 6312, 6696, 7101, 7890, 8153, 8370, 9468, 10044, 10520, 11160, 11835, 12555, 14202, 15780, 16306, 16740, 18936, 20088, 21303, 23670, 24459, 25110, 28404, 31560, 32612, 33480, 35505, 40765, 42606, 47340, 48918, 50220, 56808, 65224, 71010, 73377, 81530, 85212, 94680, 97836, 100440, 106515, 122295, 142020, 146754, 163060, 170424, 195672, 213030, 220131, 244590, 284040, 293508, 326120, 366885, 426060, 440262, 489180, 587016, 660393, 733770, 852120, 880524, 978360, 1100655, 1320786, 1467540, 1761048, 2201310, 2641572, 2935080, 3301965, 4402620, 5283144, 6603930, 8805240, 13207860, 26415720]

約数ペア:

[(1, 26415720), (2, 13207860), (3, 8805240), (4, 6603930), (5, 5283144), (6, 4402620), (8, 3301965), (9, 2935080), (10, 2641572), (12, 2201310), (15, 1761048), (18, 1467540), (20, 1320786), (24, 1100655), (27, 978360), (30, 880524), (31, 852120), (36, 733770), (40, 660393), (45, 587016), (54, 489180), (60, 440262), (62, 426060), (72, 366885), (81, 326120), (90, 293508), (93, 284040), (108, 244590), (120, 220131), (124, 213030), (135, 195672), (155, 170424), (162, 163060), (180, 146754), (186, 142020), (216, 122295), (248, 106515), (263, 100440), (270, 97836), (279, 94680), (310, 85212), (324, 81530), (360, 73377), (372, 71010), (405, 65224), (465, 56808), (526, 50220), (540, 48918), (558, 47340), (620, 42606), (648, 40765), (744, 35505), (789, 33480), (810, 32612), (837, 31560), (930, 28404), (1052, 25110), (1080, 24459), (1116, 23670), (1240, 21303), (1315, 20088), (1395, 18936), (1578, 16740), (1620, 16306), (1674, 15780), (1860, 14202), (2104, 12555), (2232, 11835), (2367, 11160), (2511, 10520), (2630, 10044), (2790, 9468), (3156, 8370), (3240, 8153), (3348, 7890), (3720, 7101), (3945, 6696), (4185, 6312), (4734, 5580), (5022, 5260)]