640475136

素因数分解:

$2^{13}\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 336

約数和(自身を含む): 2269504224

約数和(自身を除く): 1629029088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 73, 84, 96, 102, 112, 119, 126, 128, 136, 144, 146, 153, 168, 192, 204, 219, 224, 238, 252, 256, 272, 288, 292, 306, 336, 357, 384, 408, 438, 448, 476, 504, 511, 512, 544, 576, 584, 612, 657, 672, 714, 768, 816, 876, 896, 952, 1008, 1022, 1024, 1071, 1088, 1152, 1168, 1224, 1241, 1314, 1344, 1428, 1533, 1536, 1632, 1752, 1792, 1904, 2016, 2044, 2048, 2142, 2176, 2304, 2336, 2448, 2482, 2628, 2688, 2856, 3066, 3072, 3264, 3504, 3584, 3723, 3808, 4032, 4088, 4096, 4284, 4352, 4599, 4608, 4672, 4896, 4964, 5256, 5376, 5712, 6132, 6144, 6528, 7008, 7168, 7446, 7616, 8064, 8176, 8192, 8568, 8687, 8704, 9198, 9216, 9344, 9792, 9928, 10512, 10752, 11169, 11424, 12264, 12288, 13056, 14016, 14336, 14892, 15232, 16128, 16352, 17136, 17374, 17408, 18396, 18432, 18688, 19584, 19856, 21024, 21504, 22338, 22848, 24528, 24576, 26061, 26112, 28032, 28672, 29784, 30464, 32256, 32704, 34272, 34748, 34816, 36792, 36864, 37376, 39168, 39712, 42048, 43008, 44676, 45696, 49056, 52122, 52224, 56064, 57344, 59568, 60928, 64512, 65408, 68544, 69496, 69632, 73584, 73728, 74752, 78183, 78336, 79424, 84096, 86016, 89352, 91392, 98112, 104244, 104448, 112128, 119136, 121856, 129024, 130816, 137088, 138992, 139264, 147168, 149504, 156366, 156672, 158848, 168192, 172032, 178704, 182784, 196224, 208488, 208896, 224256, 238272, 243712, 258048, 261632, 274176, 277984, 294336, 299008, 312732, 313344, 317696, 336384, 357408, 365568, 392448, 416976, 417792, 448512, 476544, 487424, 516096, 523264, 548352, 555968, 588672, 598016, 625464, 626688, 635392, 672768, 714816, 731136, 784896, 833952, 897024, 953088, 974848, 1046528, 1096704, 1111936, 1177344, 1250928, 1253376, 1270784, 1345536, 1429632, 1462272, 1569792, 1667904, 1794048, 1906176, 2093056, 2193408, 2223872, 2354688, 2501856, 2541568, 2691072, 2859264, 2924544, 3139584, 3335808, 3812352, 4186112, 4386816, 4447744, 4709376, 5003712, 5083136, 5382144, 5718528, 6279168, 6671616, 7624704, 8773632, 8895488, 9418752, 10007424, 10166272, 11437056, 12558336, 13343232, 15249408, 17790976, 18837504, 20014848, 22874112, 26686464, 30498816, 35581952, 37675008, 40029696, 45748224, 53372928, 71163904, 80059392, 91496448, 106745856, 160118784, 213491712, 320237568, 640475136]

約数ペア:

[(1, 640475136), (2, 320237568), (3, 213491712), (4, 160118784), (6, 106745856), (7, 91496448), (8, 80059392), (9, 71163904), (12, 53372928), (14, 45748224), (16, 40029696), (17, 37675008), (18, 35581952), (21, 30498816), (24, 26686464), (28, 22874112), (32, 20014848), (34, 18837504), (36, 17790976), (42, 15249408), (48, 13343232), (51, 12558336), (56, 11437056), (63, 10166272), (64, 10007424), (68, 9418752), (72, 8895488), (73, 8773632), (84, 7624704), (96, 6671616), (102, 6279168), (112, 5718528), (119, 5382144), (126, 5083136), (128, 5003712), (136, 4709376), (144, 4447744), (146, 4386816), (153, 4186112), (168, 3812352), (192, 3335808), (204, 3139584), (219, 2924544), (224, 2859264), (238, 2691072), (252, 2541568), (256, 2501856), (272, 2354688), (288, 2223872), (292, 2193408), (306, 2093056), (336, 1906176), (357, 1794048), (384, 1667904), (408, 1569792), (438, 1462272), (448, 1429632), (476, 1345536), (504, 1270784), (511, 1253376), (512, 1250928), (544, 1177344), (576, 1111936), (584, 1096704), (612, 1046528), (657, 974848), (672, 953088), (714, 897024), (768, 833952), (816, 784896), (876, 731136), (896, 714816), (952, 672768), (1008, 635392), (1022, 626688), (1024, 625464), (1071, 598016), (1088, 588672), (1152, 555968), (1168, 548352), (1224, 523264), (1241, 516096), (1314, 487424), (1344, 476544), (1428, 448512), (1533, 417792), (1536, 416976), (1632, 392448), (1752, 365568), (1792, 357408), (1904, 336384), (2016, 317696), (2044, 313344), (2048, 312732), (2142, 299008), (2176, 294336), (2304, 277984), (2336, 274176), (2448, 261632), (2482, 258048), (2628, 243712), (2688, 238272), (2856, 224256), (3066, 208896), (3072, 208488), (3264, 196224), (3504, 182784), (3584, 178704), (3723, 172032), (3808, 168192), (4032, 158848), (4088, 156672), (4096, 156366), (4284, 149504), (4352, 147168), (4599, 139264), (4608, 138992), (4672, 137088), (4896, 130816), (4964, 129024), (5256, 121856), (5376, 119136), (5712, 112128), (6132, 104448), (6144, 104244), (6528, 98112), (7008, 91392), (7168, 89352), (7446, 86016), (7616, 84096), (8064, 79424), (8176, 78336), (8192, 78183), (8568, 74752), (8687, 73728), (8704, 73584), (9198, 69632), (9216, 69496), (9344, 68544), (9792, 65408), (9928, 64512), (10512, 60928), (10752, 59568), (11169, 57344), (11424, 56064), (12264, 52224), (12288, 52122), (13056, 49056), (14016, 45696), (14336, 44676), (14892, 43008), (15232, 42048), (16128, 39712), (16352, 39168), (17136, 37376), (17374, 36864), (17408, 36792), (18396, 34816), (18432, 34748), (18688, 34272), (19584, 32704), (19856, 32256), (21024, 30464), (21504, 29784), (22338, 28672), (22848, 28032), (24528, 26112), (24576, 26061)]