1818181728

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1559

約数の個数: 240

約数和(自身を含む): 5973016896

約数和(自身を除く): 4154835168

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 43, 44, 48, 54, 66, 72, 81, 86, 88, 96, 99, 108, 129, 132, 144, 162, 172, 176, 198, 216, 258, 264, 288, 297, 324, 344, 352, 387, 396, 432, 473, 516, 528, 594, 648, 688, 774, 792, 864, 891, 946, 1032, 1056, 1161, 1188, 1296, 1376, 1419, 1483, 1548, 1584, 1782, 1892, 2064, 2322, 2376, 2592, 2838, 2966, 3096, 3168, 3483, 3564, 3784, 4128, 4257, 4449, 4644, 4752, 5676, 5932, 6192, 6966, 7128, 7568, 8514, 8898, 9288, 9504, 11352, 11864, 12384, 12771, 13347, 13932, 14256, 15136, 16313, 17028, 17796, 18576, 22704, 23728, 25542, 26694, 27864, 28512, 32626, 34056, 35592, 37152, 38313, 40041, 45408, 47456, 48939, 51084, 53388, 55728, 63769, 65252, 68112, 71184, 76626, 80082, 97878, 102168, 106776, 111456, 120123, 127538, 130504, 136224, 142368, 146817, 153252, 160164, 191307, 195756, 204336, 213552, 240246, 255076, 261008, 293634, 306504, 320328, 382614, 391512, 408672, 427104, 440451, 480492, 510152, 522016, 573921, 587268, 613008, 640656, 701459, 765228, 783024, 880902, 960984, 1020304, 1147842, 1174536, 1226016, 1281312, 1321353, 1402918, 1530456, 1566048, 1721763, 1761804, 1921968, 2040608, 2104377, 2295684, 2349072, 2642706, 2805836, 3060912, 3443526, 3523608, 3843936, 4208754, 4591368, 4698144, 5165289, 5285412, 5611672, 6121824, 6313131, 6887052, 7047216, 8417508, 9182736, 10330578, 10570824, 11223344, 12626262, 13774104, 14094432, 16835016, 18365472, 18939393, 20661156, 21141648, 22446688, 25252524, 27548208, 33670032, 37878786, 41322312, 42283296, 50505048, 55096416, 56818179, 67340064, 75757572, 82644624, 101010096, 113636358, 151515144, 165289248, 202020192, 227272716, 303030288, 454545432, 606060576, 909090864, 1818181728]

約数ペア:

[(1, 1818181728), (2, 909090864), (3, 606060576), (4, 454545432), (6, 303030288), (8, 227272716), (9, 202020192), (11, 165289248), (12, 151515144), (16, 113636358), (18, 101010096), (22, 82644624), (24, 75757572), (27, 67340064), (32, 56818179), (33, 55096416), (36, 50505048), (43, 42283296), (44, 41322312), (48, 37878786), (54, 33670032), (66, 27548208), (72, 25252524), (81, 22446688), (86, 21141648), (88, 20661156), (96, 18939393), (99, 18365472), (108, 16835016), (129, 14094432), (132, 13774104), (144, 12626262), (162, 11223344), (172, 10570824), (176, 10330578), (198, 9182736), (216, 8417508), (258, 7047216), (264, 6887052), (288, 6313131), (297, 6121824), (324, 5611672), (344, 5285412), (352, 5165289), (387, 4698144), (396, 4591368), (432, 4208754), (473, 3843936), (516, 3523608), (528, 3443526), (594, 3060912), (648, 2805836), (688, 2642706), (774, 2349072), (792, 2295684), (864, 2104377), (891, 2040608), (946, 1921968), (1032, 1761804), (1056, 1721763), (1161, 1566048), (1188, 1530456), (1296, 1402918), (1376, 1321353), (1419, 1281312), (1483, 1226016), (1548, 1174536), (1584, 1147842), (1782, 1020304), (1892, 960984), (2064, 880902), (2322, 783024), (2376, 765228), (2592, 701459), (2838, 640656), (2966, 613008), (3096, 587268), (3168, 573921), (3483, 522016), (3564, 510152), (3784, 480492), (4128, 440451), (4257, 427104), (4449, 408672), (4644, 391512), (4752, 382614), (5676, 320328), (5932, 306504), (6192, 293634), (6966, 261008), (7128, 255076), (7568, 240246), (8514, 213552), (8898, 204336), (9288, 195756), (9504, 191307), (11352, 160164), (11864, 153252), (12384, 146817), (12771, 142368), (13347, 136224), (13932, 130504), (14256, 127538), (15136, 120123), (16313, 111456), (17028, 106776), (17796, 102168), (18576, 97878), (22704, 80082), (23728, 76626), (25542, 71184), (26694, 68112), (27864, 65252), (28512, 63769), (32626, 55728), (34056, 53388), (35592, 51084), (37152, 48939), (38313, 47456), (40041, 45408)]