121291920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 435530160

約数和(自身を除く): 314238240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 37, 40, 45, 48, 58, 60, 72, 74, 80, 87, 90, 111, 116, 120, 144, 145, 148, 157, 174, 180, 185, 222, 232, 240, 261, 290, 296, 314, 333, 348, 360, 370, 435, 444, 464, 471, 522, 555, 580, 592, 628, 666, 696, 720, 740, 785, 870, 888, 942, 1044, 1073, 1110, 1160, 1256, 1305, 1332, 1392, 1413, 1480, 1570, 1665, 1740, 1776, 1884, 2088, 2146, 2220, 2320, 2355, 2512, 2610, 2664, 2826, 2960, 3140, 3219, 3330, 3480, 3768, 4176, 4292, 4440, 4553, 4710, 5220, 5328, 5365, 5652, 5809, 6280, 6438, 6660, 6960, 7065, 7536, 8584, 8880, 9106, 9420, 9657, 10440, 10730, 11304, 11618, 12560, 12876, 13320, 13659, 14130, 16095, 17168, 17427, 18212, 18840, 19314, 20880, 21460, 22608, 22765, 23236, 25752, 26640, 27318, 28260, 29045, 32190, 34854, 36424, 37680, 38628, 40977, 42920, 45530, 46472, 48285, 51504, 52281, 54636, 56520, 58090, 64380, 68295, 69708, 72848, 77256, 81954, 85840, 87135, 91060, 92944, 96570, 104562, 109272, 113040, 116180, 128760, 136590, 139416, 154512, 163908, 168461, 174270, 182120, 193140, 204885, 209124, 218544, 232360, 257520, 261405, 273180, 278832, 327816, 336922, 348540, 364240, 386280, 409770, 418248, 464720, 505383, 522810, 546360, 655632, 673844, 697080, 772560, 819540, 836496, 842305, 1010766, 1045620, 1092720, 1347688, 1394160, 1516149, 1639080, 1684610, 2021532, 2091240, 2526915, 2695376, 3032298, 3278160, 3369220, 4043064, 4182480, 5053830, 6064596, 6738440, 7580745, 8086128, 10107660, 12129192, 13476880, 15161490, 20215320, 24258384, 30322980, 40430640, 60645960, 121291920]

約数ペア:

[(1, 121291920), (2, 60645960), (3, 40430640), (4, 30322980), (5, 24258384), (6, 20215320), (8, 15161490), (9, 13476880), (10, 12129192), (12, 10107660), (15, 8086128), (16, 7580745), (18, 6738440), (20, 6064596), (24, 5053830), (29, 4182480), (30, 4043064), (36, 3369220), (37, 3278160), (40, 3032298), (45, 2695376), (48, 2526915), (58, 2091240), (60, 2021532), (72, 1684610), (74, 1639080), (80, 1516149), (87, 1394160), (90, 1347688), (111, 1092720), (116, 1045620), (120, 1010766), (144, 842305), (145, 836496), (148, 819540), (157, 772560), (174, 697080), (180, 673844), (185, 655632), (222, 546360), (232, 522810), (240, 505383), (261, 464720), (290, 418248), (296, 409770), (314, 386280), (333, 364240), (348, 348540), (360, 336922), (370, 327816), (435, 278832), (444, 273180), (464, 261405), (471, 257520), (522, 232360), (555, 218544), (580, 209124), (592, 204885), (628, 193140), (666, 182120), (696, 174270), (720, 168461), (740, 163908), (785, 154512), (870, 139416), (888, 136590), (942, 128760), (1044, 116180), (1073, 113040), (1110, 109272), (1160, 104562), (1256, 96570), (1305, 92944), (1332, 91060), (1392, 87135), (1413, 85840), (1480, 81954), (1570, 77256), (1665, 72848), (1740, 69708), (1776, 68295), (1884, 64380), (2088, 58090), (2146, 56520), (2220, 54636), (2320, 52281), (2355, 51504), (2512, 48285), (2610, 46472), (2664, 45530), (2826, 42920), (2960, 40977), (3140, 38628), (3219, 37680), (3330, 36424), (3480, 34854), (3768, 32190), (4176, 29045), (4292, 28260), (4440, 27318), (4553, 26640), (4710, 25752), (5220, 23236), (5328, 22765), (5365, 22608), (5652, 21460), (5809, 20880), (6280, 19314), (6438, 18840), (6660, 18212), (6960, 17427), (7065, 17168), (7536, 16095), (8584, 14130), (8880, 13659), (9106, 13320), (9420, 12876), (9657, 12560), (10440, 11618), (10730, 11304)]