640063424

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 224

約数和(自身を含む): 1739652096

約数和(自身を除く): 1099588672

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 97, 103, 104, 112, 143, 154, 176, 182, 194, 206, 208, 224, 286, 308, 352, 364, 388, 412, 416, 448, 572, 616, 679, 704, 721, 728, 776, 824, 832, 1001, 1067, 1133, 1144, 1232, 1261, 1339, 1358, 1442, 1456, 1552, 1648, 2002, 2134, 2266, 2288, 2464, 2522, 2678, 2716, 2884, 2912, 3104, 3296, 4004, 4268, 4532, 4576, 4928, 5044, 5356, 5432, 5768, 5824, 6208, 6592, 7469, 7931, 8008, 8536, 8827, 9064, 9152, 9373, 9991, 10088, 10712, 10864, 11536, 13871, 14729, 14938, 15862, 16016, 17072, 17654, 18128, 18746, 19982, 20176, 21424, 21728, 23072, 27742, 29458, 29876, 31724, 32032, 34144, 35308, 36256, 37492, 39964, 40352, 42848, 43456, 46144, 55484, 58916, 59752, 63448, 64064, 68288, 69937, 70616, 72512, 74984, 79928, 80704, 85696, 97097, 103103, 109901, 110968, 117832, 119504, 126896, 129883, 139874, 141232, 149968, 159856, 194194, 206206, 219802, 221936, 235664, 239008, 253792, 259766, 279748, 282464, 299936, 319712, 388388, 412412, 439604, 443872, 471328, 478016, 507584, 519532, 559496, 564928, 599872, 639424, 769307, 776776, 824824, 879208, 887744, 909181, 942656, 1039064, 1118992, 1428713, 1538614, 1553552, 1649648, 1758416, 1818362, 2078128, 2237984, 2857426, 3077228, 3107104, 3299296, 3516832, 3636724, 4156256, 4475968, 5714852, 6154456, 6214208, 6598592, 7033664, 7273448, 8312512, 10000991, 11429704, 12308912, 14546896, 20001982, 22859408, 24617824, 29093792, 40003964, 45718816, 49235648, 58187584, 80007928, 91437632, 160015856, 320031712, 640063424]

約数ペア:

[(1, 640063424), (2, 320031712), (4, 160015856), (7, 91437632), (8, 80007928), (11, 58187584), (13, 49235648), (14, 45718816), (16, 40003964), (22, 29093792), (26, 24617824), (28, 22859408), (32, 20001982), (44, 14546896), (52, 12308912), (56, 11429704), (64, 10000991), (77, 8312512), (88, 7273448), (91, 7033664), (97, 6598592), (103, 6214208), (104, 6154456), (112, 5714852), (143, 4475968), (154, 4156256), (176, 3636724), (182, 3516832), (194, 3299296), (206, 3107104), (208, 3077228), (224, 2857426), (286, 2237984), (308, 2078128), (352, 1818362), (364, 1758416), (388, 1649648), (412, 1553552), (416, 1538614), (448, 1428713), (572, 1118992), (616, 1039064), (679, 942656), (704, 909181), (721, 887744), (728, 879208), (776, 824824), (824, 776776), (832, 769307), (1001, 639424), (1067, 599872), (1133, 564928), (1144, 559496), (1232, 519532), (1261, 507584), (1339, 478016), (1358, 471328), (1442, 443872), (1456, 439604), (1552, 412412), (1648, 388388), (2002, 319712), (2134, 299936), (2266, 282464), (2288, 279748), (2464, 259766), (2522, 253792), (2678, 239008), (2716, 235664), (2884, 221936), (2912, 219802), (3104, 206206), (3296, 194194), (4004, 159856), (4268, 149968), (4532, 141232), (4576, 139874), (4928, 129883), (5044, 126896), (5356, 119504), (5432, 117832), (5768, 110968), (5824, 109901), (6208, 103103), (6592, 97097), (7469, 85696), (7931, 80704), (8008, 79928), (8536, 74984), (8827, 72512), (9064, 70616), (9152, 69937), (9373, 68288), (9991, 64064), (10088, 63448), (10712, 59752), (10864, 58916), (11536, 55484), (13871, 46144), (14729, 43456), (14938, 42848), (15862, 40352), (16016, 39964), (17072, 37492), (17654, 36256), (18128, 35308), (18746, 34144), (19982, 32032), (20176, 31724), (21424, 29876), (21728, 29458), (23072, 27742)]