20147795280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{300893}}^1$

素因数の和:300946

約数の個数: 160

約数和(自身を含む): 71636843520

約数和(自身を除く): 51489048240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 22320, 33480, 66960, 300893, 601786, 902679, 1203572, 1504465, 1805358, 2407144, 2708037, 3008930, 3610716, 4513395, 4814288, 5416074, 6017860, 7221432, 8124111, 9026790, 9327683, 10832148, 12035720, 13540185, 14442864, 16248222, 18053580, 18655366, 21664296, 24071440, 27080370, 27983049, 32496444, 36107160, 37310732, 40620555, 43328592, 46638415, 54160740, 55966098, 64992888, 72214320, 74621464, 81241110, 83949147, 93276830, 108321480, 111932196, 129985776, 139915245, 149242928, 162482220, 167898294, 186553660, 216642960, 223864392, 251847441, 279830490, 324964440, 335796588, 373107320, 419745735, 447728784, 503694882, 559660980, 649928880, 671593176, 746214640, 839491470, 1007389764, 1119321960, 1259237205, 1343186352, 1678982940, 2014779528, 2238643920, 2518474410, 3357965880, 4029559056, 5036948820, 6715931760, 10073897640, 20147795280]

約数ペア:

[(1, 20147795280), (2, 10073897640), (3, 6715931760), (4, 5036948820), (5, 4029559056), (6, 3357965880), (8, 2518474410), (9, 2238643920), (10, 2014779528), (12, 1678982940), (15, 1343186352), (16, 1259237205), (18, 1119321960), (20, 1007389764), (24, 839491470), (27, 746214640), (30, 671593176), (31, 649928880), (36, 559660980), (40, 503694882), (45, 447728784), (48, 419745735), (54, 373107320), (60, 335796588), (62, 324964440), (72, 279830490), (80, 251847441), (90, 223864392), (93, 216642960), (108, 186553660), (120, 167898294), (124, 162482220), (135, 149242928), (144, 139915245), (155, 129985776), (180, 111932196), (186, 108321480), (216, 93276830), (240, 83949147), (248, 81241110), (270, 74621464), (279, 72214320), (310, 64992888), (360, 55966098), (372, 54160740), (432, 46638415), (465, 43328592), (496, 40620555), (540, 37310732), (558, 36107160), (620, 32496444), (720, 27983049), (744, 27080370), (837, 24071440), (930, 21664296), (1080, 18655366), (1116, 18053580), (1240, 16248222), (1395, 14442864), (1488, 13540185), (1674, 12035720), (1860, 10832148), (2160, 9327683), (2232, 9026790), (2480, 8124111), (2790, 7221432), (3348, 6017860), (3720, 5416074), (4185, 4814288), (4464, 4513395), (5580, 3610716), (6696, 3008930), (7440, 2708037), (8370, 2407144), (11160, 1805358), (13392, 1504465), (16740, 1203572), (22320, 902679), (33480, 601786), (66960, 300893)]