2540845920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:797

約数の個数: 192

約数和(自身を含む): 8238827520

約数和(自身を除く): 5697981600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 257, 258, 344, 430, 479, 480, 514, 516, 645, 688, 771, 860, 958, 1028, 1032, 1285, 1290, 1376, 1437, 1542, 1720, 1916, 2056, 2064, 2395, 2570, 2580, 2874, 3084, 3440, 3832, 3855, 4112, 4128, 4790, 5140, 5160, 5748, 6168, 6880, 7185, 7664, 7710, 8224, 9580, 10280, 10320, 11051, 11496, 12336, 14370, 15328, 15420, 19160, 20560, 20597, 20640, 22102, 22992, 24672, 28740, 30840, 33153, 38320, 41120, 41194, 44204, 45984, 55255, 57480, 61680, 61791, 66306, 76640, 82388, 88408, 102985, 110510, 114960, 123103, 123360, 123582, 132612, 164776, 165765, 176816, 205970, 221020, 229920, 246206, 247164, 265224, 308955, 329552, 331530, 353632, 369309, 411940, 442040, 492412, 494328, 530448, 615515, 617910, 659104, 663060, 738618, 823880, 884080, 984824, 988656, 1060896, 1231030, 1235820, 1326120, 1477236, 1647760, 1768160, 1846545, 1969648, 1977312, 2462060, 2471640, 2652240, 2954472, 3295520, 3693090, 3939296, 4924120, 4943280, 5293429, 5304480, 5908944, 7386180, 9848240, 9886560, 10586858, 11817888, 14772360, 15880287, 19696480, 21173716, 26467145, 29544720, 31760574, 42347432, 52934290, 59089440, 63521148, 79401435, 84694864, 105868580, 127042296, 158802870, 169389728, 211737160, 254084592, 317605740, 423474320, 508169184, 635211480, 846948640, 1270422960, 2540845920]

約数ペア:

[(1, 2540845920), (2, 1270422960), (3, 846948640), (4, 635211480), (5, 508169184), (6, 423474320), (8, 317605740), (10, 254084592), (12, 211737160), (15, 169389728), (16, 158802870), (20, 127042296), (24, 105868580), (30, 84694864), (32, 79401435), (40, 63521148), (43, 59089440), (48, 52934290), (60, 42347432), (80, 31760574), (86, 29544720), (96, 26467145), (120, 21173716), (129, 19696480), (160, 15880287), (172, 14772360), (215, 11817888), (240, 10586858), (257, 9886560), (258, 9848240), (344, 7386180), (430, 5908944), (479, 5304480), (480, 5293429), (514, 4943280), (516, 4924120), (645, 3939296), (688, 3693090), (771, 3295520), (860, 2954472), (958, 2652240), (1028, 2471640), (1032, 2462060), (1285, 1977312), (1290, 1969648), (1376, 1846545), (1437, 1768160), (1542, 1647760), (1720, 1477236), (1916, 1326120), (2056, 1235820), (2064, 1231030), (2395, 1060896), (2570, 988656), (2580, 984824), (2874, 884080), (3084, 823880), (3440, 738618), (3832, 663060), (3855, 659104), (4112, 617910), (4128, 615515), (4790, 530448), (5140, 494328), (5160, 492412), (5748, 442040), (6168, 411940), (6880, 369309), (7185, 353632), (7664, 331530), (7710, 329552), (8224, 308955), (9580, 265224), (10280, 247164), (10320, 246206), (11051, 229920), (11496, 221020), (12336, 205970), (14370, 176816), (15328, 165765), (15420, 164776), (19160, 132612), (20560, 123582), (20597, 123360), (20640, 123103), (22102, 114960), (22992, 110510), (24672, 102985), (28740, 88408), (30840, 82388), (33153, 76640), (38320, 66306), (41120, 61791), (41194, 61680), (44204, 57480), (45984, 55255)]