638763264

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 1938693120

約数和(自身を除く): 1299929856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 59, 64, 72, 74, 96, 111, 118, 127, 128, 144, 148, 177, 192, 222, 236, 254, 256, 288, 296, 333, 354, 381, 384, 444, 472, 508, 531, 576, 592, 666, 708, 762, 768, 888, 944, 1016, 1062, 1143, 1152, 1184, 1332, 1416, 1524, 1776, 1888, 2032, 2124, 2183, 2286, 2304, 2368, 2664, 2832, 3048, 3552, 3776, 4064, 4248, 4366, 4572, 4699, 4736, 5328, 5664, 6096, 6549, 7104, 7493, 7552, 8128, 8496, 8732, 9144, 9398, 9472, 10656, 11328, 12192, 13098, 14097, 14208, 14986, 15104, 16256, 16992, 17464, 18288, 18796, 19647, 21312, 22479, 22656, 24384, 26196, 28194, 28416, 29972, 32512, 33984, 34928, 36576, 37592, 39294, 42291, 42624, 44958, 45312, 48768, 52392, 56388, 59944, 67437, 67968, 69856, 73152, 75184, 78588, 84582, 85248, 89916, 97536, 104784, 112776, 119888, 134874, 135936, 139712, 146304, 150368, 157176, 169164, 179832, 209568, 225552, 239776, 269748, 277241, 279424, 292608, 300736, 314352, 338328, 359664, 419136, 451104, 479552, 539496, 554482, 558848, 601472, 628704, 676656, 719328, 831723, 838272, 902208, 959104, 1078992, 1108964, 1202944, 1257408, 1353312, 1438656, 1663446, 1676544, 1804416, 1918208, 2157984, 2217928, 2495169, 2514816, 2706624, 2877312, 3326892, 3608832, 4315968, 4435856, 4990338, 5029632, 5413248, 5754624, 6653784, 8631936, 8871712, 9980676, 10826496, 13307568, 17263872, 17743424, 19961352, 26615136, 35486848, 39922704, 53230272, 70973696, 79845408, 106460544, 159690816, 212921088, 319381632, 638763264]

約数ペア:

[(1, 638763264), (2, 319381632), (3, 212921088), (4, 159690816), (6, 106460544), (8, 79845408), (9, 70973696), (12, 53230272), (16, 39922704), (18, 35486848), (24, 26615136), (32, 19961352), (36, 17743424), (37, 17263872), (48, 13307568), (59, 10826496), (64, 9980676), (72, 8871712), (74, 8631936), (96, 6653784), (111, 5754624), (118, 5413248), (127, 5029632), (128, 4990338), (144, 4435856), (148, 4315968), (177, 3608832), (192, 3326892), (222, 2877312), (236, 2706624), (254, 2514816), (256, 2495169), (288, 2217928), (296, 2157984), (333, 1918208), (354, 1804416), (381, 1676544), (384, 1663446), (444, 1438656), (472, 1353312), (508, 1257408), (531, 1202944), (576, 1108964), (592, 1078992), (666, 959104), (708, 902208), (762, 838272), (768, 831723), (888, 719328), (944, 676656), (1016, 628704), (1062, 601472), (1143, 558848), (1152, 554482), (1184, 539496), (1332, 479552), (1416, 451104), (1524, 419136), (1776, 359664), (1888, 338328), (2032, 314352), (2124, 300736), (2183, 292608), (2286, 279424), (2304, 277241), (2368, 269748), (2664, 239776), (2832, 225552), (3048, 209568), (3552, 179832), (3776, 169164), (4064, 157176), (4248, 150368), (4366, 146304), (4572, 139712), (4699, 135936), (4736, 134874), (5328, 119888), (5664, 112776), (6096, 104784), (6549, 97536), (7104, 89916), (7493, 85248), (7552, 84582), (8128, 78588), (8496, 75184), (8732, 73152), (9144, 69856), (9398, 67968), (9472, 67437), (10656, 59944), (11328, 56388), (12192, 52392), (13098, 48768), (14097, 45312), (14208, 44958), (14986, 42624), (15104, 42291), (16256, 39294), (16992, 37592), (17464, 36576), (18288, 34928), (18796, 33984), (19647, 32512), (21312, 29972), (22479, 28416), (22656, 28194), (24384, 26196)]