420737760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 288

約数和(自身を含む): 1568941920

約数和(自身を除く): 1148204160

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, 289, 306, 337, 340, 360, 408, 432, 459, 480, 510, 540, 544, 578, 612, 674, 680, 720, 765, 816, 864, 867, 918, 1011, 1020, 1080, 1156, 1224, 1348, 1360, 1440, 1445, 1530, 1632, 1685, 1734, 1836, 2022, 2040, 2160, 2295, 2312, 2448, 2601, 2696, 2720, 2890, 3033, 3060, 3370, 3468, 3672, 4044, 4080, 4320, 4335, 4590, 4624, 4896, 5055, 5202, 5392, 5729, 5780, 6066, 6120, 6740, 6936, 7344, 7803, 8088, 8160, 8670, 9099, 9180, 9248, 10110, 10404, 10784, 11458, 11560, 12132, 12240, 13005, 13480, 13872, 14688, 15165, 15606, 16176, 17187, 17340, 18198, 18360, 20220, 20808, 22916, 23120, 24264, 24480, 26010, 26960, 27744, 28645, 30330, 31212, 32352, 34374, 34680, 36396, 36720, 39015, 40440, 41616, 45495, 45832, 46240, 48528, 51561, 52020, 53920, 57290, 60660, 62424, 68748, 69360, 72792, 73440, 78030, 80880, 83232, 85935, 90990, 91664, 97056, 97393, 103122, 104040, 114580, 121320, 124848, 137496, 138720, 145584, 154683, 156060, 161760, 171870, 181980, 183328, 194786, 206244, 208080, 229160, 242640, 249696, 257805, 274992, 291168, 292179, 309366, 312120, 343740, 363960, 389572, 412488, 416160, 458320, 485280, 486965, 515610, 549984, 584358, 618732, 624240, 687480, 727920, 773415, 779144, 824976, 876537, 916640, 973930, 1031220, 1168716, 1237464, 1248480, 1374960, 1455840, 1460895, 1546830, 1558288, 1649952, 1753074, 1947860, 2062440, 2337432, 2474928, 2629611, 2749920, 2921790, 3093660, 3116576, 3506148, 3895720, 4124880, 4382685, 4674864, 4949856, 5259222, 5843580, 6187320, 7012296, 7791440, 8249760, 8765370, 9349728, 10518444, 11687160, 12374640, 13148055, 14024592, 15582880, 17530740, 21036888, 23374320, 24749280, 26296110, 28049184, 35061480, 42073776, 46748640, 52592220, 70122960, 84147552, 105184440, 140245920, 210368880, 420737760]

約数ペア:

[(1, 420737760), (2, 210368880), (3, 140245920), (4, 105184440), (5, 84147552), (6, 70122960), (8, 52592220), (9, 46748640), (10, 42073776), (12, 35061480), (15, 28049184), (16, 26296110), (17, 24749280), (18, 23374320), (20, 21036888), (24, 17530740), (27, 15582880), (30, 14024592), (32, 13148055), (34, 12374640), (36, 11687160), (40, 10518444), (45, 9349728), (48, 8765370), (51, 8249760), (54, 7791440), (60, 7012296), (68, 6187320), (72, 5843580), (80, 5259222), (85, 4949856), (90, 4674864), (96, 4382685), (102, 4124880), (108, 3895720), (120, 3506148), (135, 3116576), (136, 3093660), (144, 2921790), (153, 2749920), (160, 2629611), (170, 2474928), (180, 2337432), (204, 2062440), (216, 1947860), (240, 1753074), (255, 1649952), (270, 1558288), (272, 1546830), (288, 1460895), (289, 1455840), (306, 1374960), (337, 1248480), (340, 1237464), (360, 1168716), (408, 1031220), (432, 973930), (459, 916640), (480, 876537), (510, 824976), (540, 779144), (544, 773415), (578, 727920), (612, 687480), (674, 624240), (680, 618732), (720, 584358), (765, 549984), (816, 515610), (864, 486965), (867, 485280), (918, 458320), (1011, 416160), (1020, 412488), (1080, 389572), (1156, 363960), (1224, 343740), (1348, 312120), (1360, 309366), (1440, 292179), (1445, 291168), (1530, 274992), (1632, 257805), (1685, 249696), (1734, 242640), (1836, 229160), (2022, 208080), (2040, 206244), (2160, 194786), (2295, 183328), (2312, 181980), (2448, 171870), (2601, 161760), (2696, 156060), (2720, 154683), (2890, 145584), (3033, 138720), (3060, 137496), (3370, 124848), (3468, 121320), (3672, 114580), (4044, 104040), (4080, 103122), (4320, 97393), (4335, 97056), (4590, 91664), (4624, 90990), (4896, 85935), (5055, 83232), (5202, 80880), (5392, 78030), (5729, 73440), (5780, 72792), (6066, 69360), (6120, 68748), (6740, 62424), (6936, 60660), (7344, 57290), (7803, 53920), (8088, 52020), (8160, 51561), (8670, 48528), (9099, 46240), (9180, 45832), (9248, 45495), (10110, 41616), (10404, 40440), (10784, 39015), (11458, 36720), (11560, 36396), (12132, 34680), (12240, 34374), (13005, 32352), (13480, 31212), (13872, 30330), (14688, 28645), (15165, 27744), (15606, 26960), (16176, 26010), (17187, 24480), (17340, 24264), (18198, 23120), (18360, 22916), (20220, 20808)]