128213280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:801

約数の個数: 240

約数和(自身を含む): 487932984

約数和(自身を除く): 359719704

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, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 761, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1522, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2283, 2340, 2592, 2808, 3044, 3120, 3240, 3510, 3744, 3805, 4212, 4320, 4566, 4680, 5265, 5616, 6088, 6240, 6480, 6849, 7020, 7610, 8424, 9132, 9360, 9893, 10530, 11232, 11415, 12176, 12960, 13698, 14040, 15220, 16848, 18264, 18720, 19786, 20547, 21060, 22830, 24352, 27396, 28080, 29679, 30440, 33696, 34245, 36528, 39572, 41094, 42120, 45660, 49465, 54792, 56160, 59358, 60880, 61641, 68490, 73056, 79144, 82188, 84240, 89037, 91320, 98930, 102735, 109584, 118716, 121760, 123282, 136980, 148395, 158288, 164376, 168480, 178074, 182640, 197860, 205470, 219168, 237432, 246564, 267111, 273960, 296790, 308205, 316576, 328752, 356148, 365280, 395720, 410940, 445185, 474864, 493128, 534222, 547920, 593580, 616410, 657504, 712296, 791440, 801333, 821880, 890370, 949728, 986256, 1068444, 1095840, 1187160, 1232820, 1335555, 1424592, 1582880, 1602666, 1643760, 1780740, 1972512, 2136888, 2374320, 2465640, 2671110, 2849184, 3205332, 3287520, 3561480, 4006665, 4273776, 4748640, 4931280, 5342220, 6410664, 7122960, 8013330, 8547552, 9862560, 10684440, 12821328, 14245920, 16026660, 21368880, 25642656, 32053320, 42737760, 64106640, 128213280]

約数ペア:

[(1, 128213280), (2, 64106640), (3, 42737760), (4, 32053320), (5, 25642656), (6, 21368880), (8, 16026660), (9, 14245920), (10, 12821328), (12, 10684440), (13, 9862560), (15, 8547552), (16, 8013330), (18, 7122960), (20, 6410664), (24, 5342220), (26, 4931280), (27, 4748640), (30, 4273776), (32, 4006665), (36, 3561480), (39, 3287520), (40, 3205332), (45, 2849184), (48, 2671110), (52, 2465640), (54, 2374320), (60, 2136888), (65, 1972512), (72, 1780740), (78, 1643760), (80, 1602666), (81, 1582880), (90, 1424592), (96, 1335555), (104, 1232820), (108, 1187160), (117, 1095840), (120, 1068444), (130, 986256), (135, 949728), (144, 890370), (156, 821880), (160, 801333), (162, 791440), (180, 712296), (195, 657504), (208, 616410), (216, 593580), (234, 547920), (240, 534222), (260, 493128), (270, 474864), (288, 445185), (312, 410940), (324, 395720), (351, 365280), (360, 356148), (390, 328752), (405, 316576), (416, 308205), (432, 296790), (468, 273960), (480, 267111), (520, 246564), (540, 237432), (585, 219168), (624, 205470), (648, 197860), (702, 182640), (720, 178074), (761, 168480), (780, 164376), (810, 158288), (864, 148395), (936, 136980), (1040, 123282), (1053, 121760), (1080, 118716), (1170, 109584), (1248, 102735), (1296, 98930), (1404, 91320), (1440, 89037), (1522, 84240), (1560, 82188), (1620, 79144), (1755, 73056), (1872, 68490), (2080, 61641), (2106, 60880), (2160, 59358), (2283, 56160), (2340, 54792), (2592, 49465), (2808, 45660), (3044, 42120), (3120, 41094), (3240, 39572), (3510, 36528), (3744, 34245), (3805, 33696), (4212, 30440), (4320, 29679), (4566, 28080), (4680, 27396), (5265, 24352), (5616, 22830), (6088, 21060), (6240, 20547), (6480, 19786), (6849, 18720), (7020, 18264), (7610, 16848), (8424, 15220), (9132, 14040), (9360, 13698), (9893, 12960), (10530, 12176), (11232, 11415)]