1280034560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 288

約数和(自身を含む): 3775349760

約数和(自身を除く): 2495315200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 73, 76, 80, 95, 103, 112, 128, 133, 140, 146, 152, 160, 190, 206, 224, 256, 266, 280, 292, 304, 320, 365, 380, 412, 448, 511, 515, 532, 560, 584, 608, 640, 665, 721, 730, 760, 824, 896, 1022, 1030, 1064, 1120, 1168, 1216, 1280, 1330, 1387, 1442, 1460, 1520, 1648, 1792, 1957, 2044, 2060, 2128, 2240, 2336, 2432, 2555, 2660, 2774, 2884, 2920, 3040, 3296, 3605, 3914, 4088, 4120, 4256, 4480, 4672, 4864, 5110, 5320, 5548, 5768, 5840, 6080, 6592, 6935, 7210, 7519, 7828, 8176, 8240, 8512, 8960, 9344, 9709, 9785, 10220, 10640, 11096, 11536, 11680, 12160, 13184, 13699, 13870, 14420, 15038, 15656, 16352, 16480, 17024, 18688, 19418, 19570, 20440, 21280, 22192, 23072, 23360, 24320, 26368, 27398, 27740, 28840, 30076, 31312, 32704, 32960, 34048, 37595, 38836, 39140, 40880, 42560, 44384, 46144, 46720, 48545, 52633, 54796, 55480, 57680, 60152, 62624, 65408, 65920, 68495, 75190, 77672, 78280, 81760, 85120, 88768, 92288, 93440, 97090, 105266, 109592, 110960, 115360, 120304, 125248, 130816, 131840, 136990, 142861, 150380, 155344, 156560, 163520, 170240, 177536, 184576, 194180, 210532, 219184, 221920, 230720, 240608, 250496, 263165, 273980, 285722, 300760, 310688, 313120, 327040, 355072, 388360, 421064, 438368, 443840, 461440, 481216, 500992, 526330, 547960, 571444, 601520, 621376, 626240, 654080, 714305, 776720, 842128, 876736, 887680, 922880, 962432, 1000027, 1052660, 1095920, 1142888, 1203040, 1242752, 1252480, 1428610, 1553440, 1684256, 1753472, 1775360, 1924864, 2000054, 2105320, 2191840, 2285776, 2406080, 2485504, 2504960, 2857220, 3106880, 3368512, 3506944, 4000108, 4210640, 4383680, 4571552, 4812160, 5000135, 5714440, 6213760, 6737024, 8000216, 8421280, 8767360, 9143104, 9624320, 10000270, 11428880, 12427520, 13474048, 16000432, 16842560, 17534720, 18286208, 20000540, 22857760, 32000864, 33685120, 36572416, 40001080, 45715520, 64001728, 67370240, 80002160, 91431040, 128003456, 160004320, 182862080, 256006912, 320008640, 640017280, 1280034560]

約数ペア:

[(1, 1280034560), (2, 640017280), (4, 320008640), (5, 256006912), (7, 182862080), (8, 160004320), (10, 128003456), (14, 91431040), (16, 80002160), (19, 67370240), (20, 64001728), (28, 45715520), (32, 40001080), (35, 36572416), (38, 33685120), (40, 32000864), (56, 22857760), (64, 20000540), (70, 18286208), (73, 17534720), (76, 16842560), (80, 16000432), (95, 13474048), (103, 12427520), (112, 11428880), (128, 10000270), (133, 9624320), (140, 9143104), (146, 8767360), (152, 8421280), (160, 8000216), (190, 6737024), (206, 6213760), (224, 5714440), (256, 5000135), (266, 4812160), (280, 4571552), (292, 4383680), (304, 4210640), (320, 4000108), (365, 3506944), (380, 3368512), (412, 3106880), (448, 2857220), (511, 2504960), (515, 2485504), (532, 2406080), (560, 2285776), (584, 2191840), (608, 2105320), (640, 2000054), (665, 1924864), (721, 1775360), (730, 1753472), (760, 1684256), (824, 1553440), (896, 1428610), (1022, 1252480), (1030, 1242752), (1064, 1203040), (1120, 1142888), (1168, 1095920), (1216, 1052660), (1280, 1000027), (1330, 962432), (1387, 922880), (1442, 887680), (1460, 876736), (1520, 842128), (1648, 776720), (1792, 714305), (1957, 654080), (2044, 626240), (2060, 621376), (2128, 601520), (2240, 571444), (2336, 547960), (2432, 526330), (2555, 500992), (2660, 481216), (2774, 461440), (2884, 443840), (2920, 438368), (3040, 421064), (3296, 388360), (3605, 355072), (3914, 327040), (4088, 313120), (4120, 310688), (4256, 300760), (4480, 285722), (4672, 273980), (4864, 263165), (5110, 250496), (5320, 240608), (5548, 230720), (5768, 221920), (5840, 219184), (6080, 210532), (6592, 194180), (6935, 184576), (7210, 177536), (7519, 170240), (7828, 163520), (8176, 156560), (8240, 155344), (8512, 150380), (8960, 142861), (9344, 136990), (9709, 131840), (9785, 130816), (10220, 125248), (10640, 120304), (11096, 115360), (11536, 110960), (11680, 109592), (12160, 105266), (13184, 97090), (13699, 93440), (13870, 92288), (14420, 88768), (15038, 85120), (15656, 81760), (16352, 78280), (16480, 77672), (17024, 75190), (18688, 68495), (19418, 65920), (19570, 65408), (20440, 62624), (21280, 60152), (22192, 57680), (23072, 55480), (23360, 54796), (24320, 52633), (26368, 48545), (27398, 46720), (27740, 46144), (28840, 44384), (30076, 42560), (31312, 40880), (32704, 39140), (32960, 38836), (34048, 37595)]