81965869920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1177

約数の個数: 960

約数和(自身を含む): 345226033152

約数和(自身を除く): 263260163232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 31, 32, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 62, 66, 68, 72, 80, 81, 85, 88, 90, 93, 96, 99, 102, 108, 110, 120, 124, 132, 135, 136, 144, 153, 155, 160, 162, 165, 170, 176, 180, 186, 187, 198, 204, 216, 220, 240, 248, 255, 264, 270, 272, 279, 288, 297, 306, 310, 324, 330, 340, 341, 352, 360, 372, 374, 396, 405, 408, 432, 440, 459, 465, 480, 495, 496, 510, 527, 528, 540, 544, 558, 561, 594, 612, 620, 648, 660, 680, 682, 720, 744, 748, 765, 792, 810, 816, 837, 864, 880, 891, 918, 930, 935, 990, 992, 1020, 1023, 1054, 1056, 1080, 1091, 1116, 1122, 1188, 1224, 1240, 1296, 1320, 1360, 1364, 1377, 1395, 1440, 1485, 1488, 1496, 1530, 1581, 1584, 1620, 1632, 1674, 1683, 1705, 1760, 1782, 1836, 1860, 1870, 1980, 2040, 2046, 2108, 2160, 2182, 2232, 2244, 2295, 2376, 2448, 2480, 2511, 2592, 2635, 2640, 2720, 2728, 2754, 2790, 2805, 2970, 2976, 2992, 3060, 3069, 3162, 3168, 3240, 3273, 3348, 3366, 3410, 3564, 3672, 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約数ペア:

[(1, 81965869920), (2, 40982934960), (3, 27321956640), (4, 20491467480), (5, 16393173984), (6, 13660978320), (8, 10245733740), (9, 9107318880), (10, 8196586992), (11, 7451442720), (12, 6830489160), (15, 5464391328), (16, 5122866870), (17, 4821521760), (18, 4553659440), (20, 4098293496), (22, 3725721360), (24, 3415244580), (27, 3035772960), (30, 2732195664), (31, 2644060320), (32, 2561433435), (33, 2483814240), (34, 2410760880), (36, 2276829720), (40, 2049146748), (44, 1862860680), (45, 1821463776), (48, 1707622290), (51, 1607173920), (54, 1517886480), (55, 1490288544), (60, 1366097832), (62, 1322030160), (66, 1241907120), (68, 1205380440), (72, 1138414860), (80, 1024573374), (81, 1011924320), (85, 964304352), (88, 931430340), (90, 910731888), (93, 881353440), (96, 853811145), (99, 827938080), (102, 803586960), (108, 758943240), (110, 745144272), (120, 683048916), (124, 661015080), (132, 620953560), (135, 607154592), (136, 602690220), (144, 569207430), (153, 535724640), (155, 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