256722984

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 898672320

約数和(自身を除く): 641949336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 19, 21, 24, 28, 34, 36, 38, 42, 51, 56, 57, 63, 68, 72, 76, 83, 84, 102, 114, 119, 126, 133, 136, 152, 153, 166, 168, 171, 204, 228, 238, 249, 252, 266, 306, 323, 332, 342, 357, 361, 399, 408, 456, 476, 498, 504, 532, 581, 612, 646, 664, 684, 714, 722, 747, 798, 952, 969, 996, 1064, 1071, 1083, 1162, 1197, 1224, 1292, 1368, 1411, 1428, 1444, 1494, 1577, 1596, 1743, 1938, 1992, 2142, 2166, 2261, 2324, 2394, 2527, 2584, 2822, 2856, 2888, 2907, 2988, 3154, 3192, 3249, 3486, 3876, 4233, 4284, 4332, 4522, 4648, 4731, 4788, 5054, 5229, 5644, 5814, 5976, 6137, 6308, 6498, 6783, 6972, 7581, 7752, 8466, 8568, 8664, 9044, 9462, 9576, 9877, 10108, 10458, 11039, 11288, 11628, 12274, 12616, 12699, 12996, 13566, 13944, 14193, 15162, 16932, 18088, 18411, 18924, 19754, 20216, 20349, 20916, 22078, 22743, 23256, 24548, 25398, 25992, 26809, 27132, 28386, 29631, 29963, 30324, 33117, 33864, 36822, 37848, 39508, 40698, 41832, 42959, 44156, 45486, 49096, 50796, 53618, 54264, 55233, 56772, 59262, 59926, 60648, 66234, 73644, 79016, 80427, 81396, 85918, 88312, 88893, 89889, 90972, 99351, 101592, 107236, 110466, 113544, 118524, 119852, 128877, 132468, 147288, 160854, 162792, 171836, 177786, 179778, 181944, 187663, 198702, 209741, 214472, 220932, 237048, 239704, 241281, 257754, 264936, 269667, 321708, 343672, 355572, 359556, 375326, 386631, 397404, 419482, 441864, 482562, 509371, 515508, 539334, 562989, 629223, 643416, 711144, 719112, 750652, 773262, 794808, 838964, 965124, 1018742, 1031016, 1078668, 1125978, 1258446, 1501304, 1528113, 1546524, 1677928, 1688967, 1887669, 1930248, 2037484, 2157336, 2251956, 2516892, 3056226, 3093048, 3377934, 3565597, 3775338, 4074968, 4503912, 4584339, 5033784, 6112452, 6755868, 7131194, 7550676, 9168678, 10696791, 12224904, 13511736, 14262388, 15101352, 18337356, 21393582, 28524776, 32090373, 36674712, 42787164, 64180746, 85574328, 128361492, 256722984]

約数ペア:

[(1, 256722984), (2, 128361492), (3, 85574328), (4, 64180746), (6, 42787164), (7, 36674712), (8, 32090373), (9, 28524776), (12, 21393582), (14, 18337356), (17, 15101352), (18, 14262388), (19, 13511736), (21, 12224904), (24, 10696791), (28, 9168678), (34, 7550676), (36, 7131194), (38, 6755868), (42, 6112452), (51, 5033784), (56, 4584339), (57, 4503912), (63, 4074968), (68, 3775338), (72, 3565597), (76, 3377934), (83, 3093048), (84, 3056226), (102, 2516892), (114, 2251956), (119, 2157336), (126, 2037484), (133, 1930248), (136, 1887669), (152, 1688967), (153, 1677928), (166, 1546524), (168, 1528113), (171, 1501304), (204, 1258446), (228, 1125978), (238, 1078668), (249, 1031016), (252, 1018742), (266, 965124), (306, 838964), (323, 794808), (332, 773262), (342, 750652), (357, 719112), (361, 711144), (399, 643416), (408, 629223), (456, 562989), (476, 539334), (498, 515508), (504, 509371), (532, 482562), (581, 441864), (612, 419482), (646, 397404), (664, 386631), (684, 375326), (714, 359556), (722, 355572), (747, 343672), (798, 321708), (952, 269667), (969, 264936), (996, 257754), (1064, 241281), (1071, 239704), (1083, 237048), (1162, 220932), (1197, 214472), (1224, 209741), (1292, 198702), (1368, 187663), (1411, 181944), (1428, 179778), (1444, 177786), (1494, 171836), (1577, 162792), (1596, 160854), (1743, 147288), (1938, 132468), (1992, 128877), (2142, 119852), (2166, 118524), (2261, 113544), (2324, 110466), (2394, 107236), (2527, 101592), (2584, 99351), (2822, 90972), (2856, 89889), (2888, 88893), (2907, 88312), (2988, 85918), (3154, 81396), (3192, 80427), (3249, 79016), (3486, 73644), (3876, 66234), (4233, 60648), (4284, 59926), (4332, 59262), (4522, 56772), (4648, 55233), (4731, 54264), (4788, 53618), (5054, 50796), (5229, 49096), (5644, 45486), (5814, 44156), (5976, 42959), (6137, 41832), (6308, 40698), (6498, 39508), (6783, 37848), (6972, 36822), (7581, 33864), (7752, 33117), (8466, 30324), (8568, 29963), (8664, 29631), (9044, 28386), (9462, 27132), (9576, 26809), (9877, 25992), (10108, 25398), (10458, 24548), (11039, 23256), (11288, 22743), (11628, 22078), (12274, 20916), (12616, 20349), (12699, 20216), (12996, 19754), (13566, 18924), (13944, 18411), (14193, 18088), (15162, 16932)]