990693288

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:677

約数の個数: 256

約数和(自身を含む): 3225600000

約数和(自身を除く): 2234906712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 31, 36, 38, 39, 52, 54, 57, 62, 72, 76, 78, 93, 104, 108, 114, 117, 124, 152, 156, 171, 186, 216, 228, 234, 247, 248, 279, 312, 342, 351, 372, 403, 456, 468, 494, 513, 558, 589, 599, 684, 702, 741, 744, 806, 837, 936, 988, 1026, 1116, 1178, 1198, 1209, 1368, 1404, 1482, 1612, 1674, 1767, 1797, 1976, 2052, 2223, 2232, 2356, 2396, 2418, 2808, 2964, 3224, 3348, 3534, 3594, 3627, 4104, 4446, 4712, 4792, 4836, 5301, 5391, 5928, 6669, 6696, 7068, 7188, 7254, 7657, 7787, 8892, 9672, 10602, 10782, 10881, 11381, 13338, 14136, 14376, 14508, 15314, 15574, 15903, 16173, 17784, 18569, 21204, 21564, 21762, 22762, 22971, 23361, 26676, 29016, 30628, 31148, 31806, 32346, 34143, 37138, 42408, 43128, 43524, 45524, 45942, 46722, 53352, 55707, 61256, 62296, 63612, 64692, 68286, 68913, 70083, 74276, 87048, 91048, 91884, 93444, 102429, 111414, 127224, 129384, 136572, 137826, 140166, 147953, 148552, 167121, 183768, 186888, 204858, 206739, 210249, 222828, 241397, 273144, 275652, 280332, 295906, 307287, 334242, 352811, 409716, 413478, 420498, 443859, 445656, 482794, 501363, 551304, 560664, 591812, 614574, 668484, 705622, 724191, 819432, 826956, 840996, 887718, 965588, 1002726, 1058433, 1183624, 1229148, 1331577, 1336968, 1411244, 1448382, 1653912, 1681992, 1775436, 1931176, 2005452, 2116866, 2172573, 2458296, 2663154, 2822488, 2896764, 3175299, 3550872, 3994731, 4010904, 4233732, 4345146, 4586543, 5326308, 5793528, 6350598, 6517719, 7989462, 8467464, 8690292, 9173086, 9525897, 10652616, 12701196, 13035438, 13759629, 15978924, 17380584, 18346172, 19051794, 25402392, 26070876, 27519258, 31957848, 36692344, 38103588, 41278887, 52141752, 55038516, 76207176, 82557774, 110077032, 123836661, 165115548, 247673322, 330231096, 495346644, 990693288]

約数ペア:

[(1, 990693288), (2, 495346644), (3, 330231096), (4, 247673322), (6, 165115548), (8, 123836661), (9, 110077032), (12, 82557774), (13, 76207176), (18, 55038516), (19, 52141752), (24, 41278887), (26, 38103588), (27, 36692344), (31, 31957848), (36, 27519258), (38, 26070876), (39, 25402392), (52, 19051794), (54, 18346172), (57, 17380584), (62, 15978924), (72, 13759629), (76, 13035438), (78, 12701196), (93, 10652616), (104, 9525897), (108, 9173086), (114, 8690292), (117, 8467464), (124, 7989462), (152, 6517719), (156, 6350598), (171, 5793528), (186, 5326308), (216, 4586543), (228, 4345146), (234, 4233732), (247, 4010904), (248, 3994731), (279, 3550872), (312, 3175299), (342, 2896764), (351, 2822488), (372, 2663154), (403, 2458296), (456, 2172573), (468, 2116866), (494, 2005452), (513, 1931176), (558, 1775436), (589, 1681992), (599, 1653912), (684, 1448382), (702, 1411244), (741, 1336968), (744, 1331577), (806, 1229148), (837, 1183624), (936, 1058433), (988, 1002726), (1026, 965588), (1116, 887718), (1178, 840996), (1198, 826956), (1209, 819432), (1368, 724191), (1404, 705622), (1482, 668484), (1612, 614574), (1674, 591812), (1767, 560664), (1797, 551304), (1976, 501363), (2052, 482794), (2223, 445656), (2232, 443859), (2356, 420498), (2396, 413478), (2418, 409716), (2808, 352811), (2964, 334242), (3224, 307287), (3348, 295906), (3534, 280332), (3594, 275652), (3627, 273144), (4104, 241397), (4446, 222828), (4712, 210249), (4792, 206739), (4836, 204858), (5301, 186888), (5391, 183768), (5928, 167121), (6669, 148552), (6696, 147953), (7068, 140166), (7188, 137826), (7254, 136572), (7657, 129384), (7787, 127224), (8892, 111414), (9672, 102429), (10602, 93444), (10782, 91884), (10881, 91048), (11381, 87048), (13338, 74276), (14136, 70083), (14376, 68913), (14508, 68286), (15314, 64692), (15574, 63612), (15903, 62296), (16173, 61256), (17784, 55707), (18569, 53352), (21204, 46722), (21564, 45942), (21762, 45524), (22762, 43524), (22971, 43128), (23361, 42408), (26676, 37138), (29016, 34143), (30628, 32346), (31148, 31806)]