28707181920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{390893}}^1$

素因数の和:390934

約数の個数: 192

約数和(自身を含む): 106385711040

約数和(自身を除く): 77678529120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 340, 360, 408, 432, 459, 480, 510, 540, 544, 612, 680, 720, 765, 816, 864, 918, 1020, 1080, 1224, 1360, 1440, 1530, 1632, 1836, 2040, 2160, 2295, 2448, 2720, 3060, 3672, 4080, 4320, 4590, 4896, 6120, 7344, 8160, 9180, 12240, 14688, 18360, 24480, 36720, 73440, 390893, 781786, 1172679, 1563572, 1954465, 2345358, 3127144, 3518037, 3908930, 4690716, 5863395, 6254288, 6645181, 7036074, 7817860, 9381432, 10554111, 11726790, 12508576, 13290362, 14072148, 15635720, 17590185, 18762864, 19935543, 21108222, 23453580, 26580724, 28144296, 31271440, 33225905, 35180370, 37525728, 39871086, 42216444, 46907160, 52770555, 53161448, 56288592, 59806629, 62542880, 66451810, 70360740, 79742172, 84432888, 93814320, 99677715, 105541110, 106322896, 112577184, 119613258, 132903620, 140721480, 159484344, 168865776, 179419887, 187628640, 199355430, 211082220, 212645792, 239226516, 265807240, 281442960, 299033145, 318968688, 337731552, 358839774, 398710860, 422164440, 478453032, 531614480, 562885920, 598066290, 637937376, 717679548, 797421720, 844328880, 897099435, 956906064, 1063228960, 1196132580, 1435359096, 1594843440, 1688657760, 1794198870, 1913812128, 2392265160, 2870718192, 3189686880, 3588397740, 4784530320, 5741436384, 7176795480, 9569060640, 14353590960, 28707181920]

約数ペア:

[(1, 28707181920), (2, 14353590960), (3, 9569060640), (4, 7176795480), (5, 5741436384), (6, 4784530320), (8, 3588397740), (9, 3189686880), (10, 2870718192), (12, 2392265160), (15, 1913812128), (16, 1794198870), (17, 1688657760), (18, 1594843440), (20, 1435359096), (24, 1196132580), (27, 1063228960), (30, 956906064), (32, 897099435), (34, 844328880), (36, 797421720), (40, 717679548), (45, 637937376), (48, 598066290), (51, 562885920), (54, 531614480), (60, 478453032), (68, 422164440), (72, 398710860), (80, 358839774), (85, 337731552), (90, 318968688), (96, 299033145), (102, 281442960), (108, 265807240), (120, 239226516), (135, 212645792), (136, 211082220), (144, 199355430), (153, 187628640), (160, 179419887), (170, 168865776), (180, 159484344), (204, 140721480), (216, 132903620), (240, 119613258), (255, 112577184), (270, 106322896), (272, 105541110), (288, 99677715), (306, 93814320), (340, 84432888), (360, 79742172), (408, 70360740), (432, 66451810), (459, 62542880), (480, 59806629), (510, 56288592), (540, 53161448), (544, 52770555), (612, 46907160), (680, 42216444), (720, 39871086), (765, 37525728), (816, 35180370), (864, 33225905), (918, 31271440), (1020, 28144296), (1080, 26580724), (1224, 23453580), (1360, 21108222), (1440, 19935543), (1530, 18762864), (1632, 17590185), (1836, 15635720), (2040, 14072148), (2160, 13290362), (2295, 12508576), (2448, 11726790), (2720, 10554111), (3060, 9381432), (3672, 7817860), (4080, 7036074), (4320, 6645181), (4590, 6254288), (4896, 5863395), (6120, 4690716), (7344, 3908930), (8160, 3518037), (9180, 3127144), (12240, 2345358), (14688, 1954465), (18360, 1563572), (24480, 1172679), (36720, 781786), (73440, 390893)]