256511232

素因数分解:

$2^8\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 288

約数和(自身を含む): 838857600

約数和(自身を除く): 582346368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 37, 48, 51, 54, 59, 64, 68, 72, 74, 96, 102, 108, 111, 118, 128, 136, 144, 148, 153, 177, 192, 204, 216, 222, 236, 256, 272, 288, 296, 306, 333, 354, 384, 408, 432, 444, 459, 472, 531, 544, 576, 592, 612, 629, 666, 708, 768, 816, 864, 888, 918, 944, 999, 1003, 1062, 1088, 1152, 1184, 1224, 1258, 1332, 1416, 1593, 1632, 1728, 1776, 1836, 1887, 1888, 1998, 2006, 2124, 2176, 2183, 2304, 2368, 2448, 2516, 2664, 2832, 3009, 3186, 3264, 3456, 3552, 3672, 3774, 3776, 3996, 4012, 4248, 4352, 4366, 4736, 4896, 5032, 5328, 5661, 5664, 6018, 6372, 6528, 6549, 6912, 7104, 7344, 7548, 7552, 7992, 8024, 8496, 8732, 9027, 9472, 9792, 10064, 10656, 11322, 11328, 12036, 12744, 13056, 13098, 14208, 14688, 15096, 15104, 15984, 16048, 16983, 16992, 17464, 18054, 19584, 19647, 20128, 21312, 22644, 22656, 24072, 25488, 26196, 27081, 28416, 29376, 30192, 31968, 32096, 33966, 33984, 34928, 36108, 37111, 39168, 39294, 40256, 42624, 45288, 45312, 48144, 50976, 52392, 54162, 58752, 58941, 60384, 63936, 64192, 67932, 67968, 69856, 72216, 74222, 78588, 80512, 85248, 90576, 96288, 101952, 104784, 108324, 111333, 117504, 117882, 120768, 127872, 128384, 135864, 135936, 139712, 144432, 148444, 157176, 161024, 181152, 192576, 203904, 209568, 216648, 222666, 235764, 241536, 255744, 256768, 271728, 279424, 288864, 296888, 314352, 333999, 362304, 385152, 407808, 419136, 433296, 445332, 471528, 483072, 543456, 558848, 577728, 593776, 628704, 667998, 724608, 770304, 838272, 866592, 890664, 943056, 1001997, 1086912, 1155456, 1187552, 1257408, 1335996, 1449216, 1676544, 1733184, 1781328, 1886112, 2003994, 2173824, 2310912, 2375104, 2514816, 2671992, 3466368, 3562656, 3772224, 4007988, 4347648, 4750208, 5029632, 5343984, 6932736, 7125312, 7544448, 8015976, 9500416, 10687968, 14250624, 15088896, 16031952, 21375936, 28501248, 32063904, 42751872, 64127808, 85503744, 128255616, 256511232]

約数ペア:

[(1, 256511232), (2, 128255616), (3, 85503744), (4, 64127808), (6, 42751872), (8, 32063904), (9, 28501248), (12, 21375936), (16, 16031952), (17, 15088896), (18, 14250624), (24, 10687968), (27, 9500416), (32, 8015976), (34, 7544448), (36, 7125312), (37, 6932736), (48, 5343984), (51, 5029632), (54, 4750208), (59, 4347648), (64, 4007988), (68, 3772224), (72, 3562656), (74, 3466368), (96, 2671992), (102, 2514816), (108, 2375104), (111, 2310912), (118, 2173824), (128, 2003994), (136, 1886112), (144, 1781328), (148, 1733184), (153, 1676544), (177, 1449216), (192, 1335996), (204, 1257408), (216, 1187552), (222, 1155456), (236, 1086912), (256, 1001997), (272, 943056), (288, 890664), (296, 866592), (306, 838272), (333, 770304), (354, 724608), (384, 667998), (408, 628704), (432, 593776), (444, 577728), (459, 558848), (472, 543456), (531, 483072), (544, 471528), (576, 445332), (592, 433296), (612, 419136), (629, 407808), (666, 385152), (708, 362304), (768, 333999), (816, 314352), (864, 296888), (888, 288864), (918, 279424), (944, 271728), (999, 256768), (1003, 255744), (1062, 241536), (1088, 235764), (1152, 222666), (1184, 216648), (1224, 209568), (1258, 203904), (1332, 192576), (1416, 181152), (1593, 161024), (1632, 157176), (1728, 148444), (1776, 144432), (1836, 139712), (1887, 135936), (1888, 135864), (1998, 128384), (2006, 127872), (2124, 120768), (2176, 117882), (2183, 117504), (2304, 111333), (2368, 108324), (2448, 104784), (2516, 101952), (2664, 96288), (2832, 90576), (3009, 85248), (3186, 80512), (3264, 78588), (3456, 74222), (3552, 72216), (3672, 69856), (3774, 67968), (3776, 67932), (3996, 64192), (4012, 63936), (4248, 60384), (4352, 58941), (4366, 58752), (4736, 54162), (4896, 52392), (5032, 50976), (5328, 48144), (5661, 45312), (5664, 45288), (6018, 42624), (6372, 40256), (6528, 39294), (6549, 39168), (6912, 37111), (7104, 36108), (7344, 34928), (7548, 33984), (7552, 33966), (7992, 32096), (8024, 31968), (8496, 30192), (8732, 29376), (9027, 28416), (9472, 27081), (9792, 26196), (10064, 25488), (10656, 24072), (11322, 22656), (11328, 22644), (12036, 21312), (12744, 20128), (13056, 19647), (13098, 19584), (14208, 18054), (14688, 17464), (15096, 16992), (15104, 16983), (15984, 16048)]