121979520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 320

約数和(自身を含む): 471711240

約数和(自身を除く): 349731720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 181, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 362, 384, 390, 405, 416, 432, 468, 480, 520, 540, 543, 576, 585, 624, 640, 648, 702, 720, 724, 780, 810, 832, 864, 905, 936, 960, 1040, 1053, 1080, 1086, 1152, 1170, 1248, 1296, 1404, 1440, 1448, 1560, 1620, 1629, 1664, 1728, 1755, 1810, 1872, 1920, 2080, 2106, 2160, 2172, 2340, 2353, 2496, 2592, 2715, 2808, 2880, 2896, 3120, 3240, 3258, 3456, 3510, 3620, 3744, 4160, 4212, 4320, 4344, 4680, 4706, 4887, 4992, 5184, 5265, 5430, 5616, 5760, 5792, 6240, 6480, 6516, 7020, 7059, 7240, 7488, 8145, 8320, 8424, 8640, 8688, 9360, 9412, 9774, 10368, 10530, 10860, 11232, 11584, 11765, 12480, 12960, 13032, 14040, 14118, 14480, 14661, 14976, 16290, 16848, 17280, 17376, 18720, 18824, 19548, 21060, 21177, 21720, 22464, 23168, 23530, 24435, 24960, 25920, 26064, 28080, 28236, 28960, 29322, 32580, 33696, 34752, 35295, 37440, 37648, 39096, 42120, 42354, 43440, 44928, 47060, 48870, 51840, 52128, 56160, 56472, 57920, 58644, 63531, 65160, 67392, 69504, 70590, 73305, 74880, 75296, 78192, 84240, 84708, 86880, 94120, 97740, 104256, 105885, 112320, 112944, 115840, 117288, 127062, 130320, 134784, 141180, 146610, 150592, 156384, 168480, 169416, 173760, 188240, 190593, 195480, 208512, 211770, 224640, 225888, 234576, 254124, 260640, 282360, 293220, 301184, 312768, 317655, 336960, 338832, 347520, 376480, 381186, 390960, 423540, 451776, 469152, 508248, 521280, 564720, 586440, 625536, 635310, 673920, 677664, 752960, 762372, 781920, 847080, 903552, 938304, 952965, 1016496, 1042560, 1129440, 1172880, 1270620, 1355328, 1505920, 1524744, 1563840, 1694160, 1876608, 1905930, 2032992, 2258880, 2345760, 2541240, 2710656, 3049488, 3127680, 3388320, 3811860, 4065984, 4517760, 4691520, 5082480, 6098976, 6776640, 7623720, 8131968, 9383040, 10164960, 12197952, 13553280, 15247440, 20329920, 24395904, 30494880, 40659840, 60989760, 121979520]

約数ペア:

[(1, 121979520), (2, 60989760), (3, 40659840), (4, 30494880), (5, 24395904), (6, 20329920), (8, 15247440), (9, 13553280), (10, 12197952), (12, 10164960), (13, 9383040), (15, 8131968), (16, 7623720), (18, 6776640), (20, 6098976), (24, 5082480), (26, 4691520), (27, 4517760), (30, 4065984), (32, 3811860), (36, 3388320), (39, 3127680), (40, 3049488), (45, 2710656), (48, 2541240), (52, 2345760), (54, 2258880), (60, 2032992), (64, 1905930), (65, 1876608), (72, 1694160), (78, 1563840), (80, 1524744), (81, 1505920), (90, 1355328), (96, 1270620), (104, 1172880), (108, 1129440), (117, 1042560), (120, 1016496), (128, 952965), (130, 938304), (135, 903552), (144, 847080), (156, 781920), (160, 762372), (162, 752960), (180, 677664), (181, 673920), (192, 635310), (195, 625536), (208, 586440), (216, 564720), (234, 521280), (240, 508248), (260, 469152), (270, 451776), (288, 423540), (312, 390960), (320, 381186), (324, 376480), (351, 347520), (360, 338832), (362, 336960), (384, 317655), (390, 312768), (405, 301184), (416, 293220), (432, 282360), (468, 260640), (480, 254124), (520, 234576), (540, 225888), (543, 224640), (576, 211770), (585, 208512), (624, 195480), (640, 190593), (648, 188240), (702, 173760), (720, 169416), (724, 168480), (780, 156384), (810, 150592), (832, 146610), (864, 141180), (905, 134784), (936, 130320), (960, 127062), (1040, 117288), (1053, 115840), (1080, 112944), (1086, 112320), (1152, 105885), (1170, 104256), (1248, 97740), (1296, 94120), (1404, 86880), (1440, 84708), (1448, 84240), (1560, 78192), (1620, 75296), (1629, 74880), (1664, 73305), (1728, 70590), (1755, 69504), (1810, 67392), (1872, 65160), (1920, 63531), (2080, 58644), (2106, 57920), (2160, 56472), (2172, 56160), (2340, 52128), (2353, 51840), (2496, 48870), (2592, 47060), (2715, 44928), (2808, 43440), (2880, 42354), (2896, 42120), (3120, 39096), (3240, 37648), (3258, 37440), (3456, 35295), (3510, 34752), (3620, 33696), (3744, 32580), (4160, 29322), (4212, 28960), (4320, 28236), (4344, 28080), (4680, 26064), (4706, 25920), (4887, 24960), (4992, 24435), (5184, 23530), (5265, 23168), (5430, 22464), (5616, 21720), (5760, 21177), (5792, 21060), (6240, 19548), (6480, 18824), (6516, 18720), (7020, 17376), (7059, 17280), (7240, 16848), (7488, 16290), (8145, 14976), (8320, 14661), (8424, 14480), (8640, 14118), (8688, 14040), (9360, 13032), (9412, 12960), (9774, 12480), (10368, 11765), (10530, 11584), (10860, 11232)]