131721984

素因数分解:

$2^8\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 288

約数和(自身を含む): 441504000

約数和(自身を除く): 309782016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 32, 34, 36, 38, 48, 51, 54, 57, 59, 64, 68, 72, 76, 96, 102, 108, 114, 118, 128, 136, 144, 152, 153, 171, 177, 192, 204, 216, 228, 236, 256, 272, 288, 304, 306, 323, 342, 354, 384, 408, 432, 456, 459, 472, 513, 531, 544, 576, 608, 612, 646, 684, 708, 768, 816, 864, 912, 918, 944, 969, 1003, 1026, 1062, 1088, 1121, 1152, 1216, 1224, 1292, 1368, 1416, 1593, 1632, 1728, 1824, 1836, 1888, 1938, 2006, 2052, 2124, 2176, 2242, 2304, 2432, 2448, 2584, 2736, 2832, 2907, 3009, 3186, 3264, 3363, 3456, 3648, 3672, 3776, 3876, 4012, 4104, 4248, 4352, 4484, 4864, 4896, 5168, 5472, 5664, 5814, 6018, 6372, 6528, 6726, 6912, 7296, 7344, 7552, 7752, 8024, 8208, 8496, 8721, 8968, 9027, 9792, 10089, 10336, 10944, 11328, 11628, 12036, 12744, 13056, 13452, 14592, 14688, 15104, 15504, 16048, 16416, 16992, 17442, 17936, 18054, 19057, 19584, 20178, 20672, 21888, 22656, 23256, 24072, 25488, 26904, 27081, 29376, 30267, 31008, 32096, 32832, 33984, 34884, 35872, 36108, 38114, 39168, 40356, 41344, 43776, 45312, 46512, 48144, 50976, 53808, 54162, 57171, 58752, 60534, 62016, 64192, 65664, 67968, 69768, 71744, 72216, 76228, 80712, 82688, 93024, 96288, 101952, 107616, 108324, 114342, 117504, 121068, 124032, 128384, 131328, 135936, 139536, 143488, 144432, 152456, 161424, 171513, 186048, 192576, 203904, 215232, 216648, 228684, 242136, 248064, 256768, 279072, 286976, 288864, 304912, 322848, 343026, 372096, 385152, 407808, 430464, 433296, 457368, 484272, 514539, 558144, 577728, 609824, 645696, 686052, 744192, 770304, 860928, 866592, 914736, 968544, 1029078, 1116288, 1155456, 1219648, 1291392, 1372104, 1733184, 1829472, 1937088, 2058156, 2232576, 2310912, 2439296, 2582784, 2744208, 3466368, 3658944, 3874176, 4116312, 4878592, 5488416, 6932736, 7317888, 7748352, 8232624, 10976832, 14635776, 16465248, 21953664, 32930496, 43907328, 65860992, 131721984]

約数ペア:

[(1, 131721984), (2, 65860992), (3, 43907328), (4, 32930496), (6, 21953664), (8, 16465248), (9, 14635776), (12, 10976832), (16, 8232624), (17, 7748352), (18, 7317888), (19, 6932736), (24, 5488416), (27, 4878592), (32, 4116312), (34, 3874176), (36, 3658944), (38, 3466368), (48, 2744208), (51, 2582784), (54, 2439296), (57, 2310912), (59, 2232576), (64, 2058156), (68, 1937088), (72, 1829472), (76, 1733184), (96, 1372104), (102, 1291392), (108, 1219648), (114, 1155456), (118, 1116288), (128, 1029078), (136, 968544), (144, 914736), (152, 866592), (153, 860928), (171, 770304), (177, 744192), (192, 686052), (204, 645696), (216, 609824), (228, 577728), (236, 558144), (256, 514539), (272, 484272), (288, 457368), (304, 433296), (306, 430464), (323, 407808), (342, 385152), (354, 372096), (384, 343026), (408, 322848), (432, 304912), (456, 288864), (459, 286976), (472, 279072), (513, 256768), (531, 248064), (544, 242136), (576, 228684), (608, 216648), (612, 215232), (646, 203904), (684, 192576), (708, 186048), (768, 171513), (816, 161424), (864, 152456), (912, 144432), (918, 143488), (944, 139536), (969, 135936), (1003, 131328), (1026, 128384), (1062, 124032), (1088, 121068), (1121, 117504), (1152, 114342), (1216, 108324), (1224, 107616), (1292, 101952), (1368, 96288), (1416, 93024), (1593, 82688), (1632, 80712), (1728, 76228), (1824, 72216), (1836, 71744), (1888, 69768), (1938, 67968), (2006, 65664), (2052, 64192), (2124, 62016), (2176, 60534), (2242, 58752), (2304, 57171), (2432, 54162), (2448, 53808), (2584, 50976), (2736, 48144), (2832, 46512), (2907, 45312), (3009, 43776), (3186, 41344), (3264, 40356), (3363, 39168), (3456, 38114), (3648, 36108), (3672, 35872), (3776, 34884), (3876, 33984), (4012, 32832), (4104, 32096), (4248, 31008), (4352, 30267), (4484, 29376), (4864, 27081), (4896, 26904), (5168, 25488), (5472, 24072), (5664, 23256), (5814, 22656), (6018, 21888), (6372, 20672), (6528, 20178), (6726, 19584), (6912, 19057), (7296, 18054), (7344, 17936), (7552, 17442), (7752, 16992), (8024, 16416), (8208, 16048), (8496, 15504), (8721, 15104), (8968, 14688), (9027, 14592), (9792, 13452), (10089, 13056), (10336, 12744), (10944, 12036), (11328, 11628)]