1520490880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 256

約数和(自身を含む): 4097952000

約数和(自身を除く): 2577461120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 61, 64, 68, 79, 80, 85, 116, 122, 128, 136, 145, 158, 160, 170, 232, 244, 272, 290, 305, 316, 320, 340, 395, 464, 488, 493, 544, 580, 610, 632, 640, 680, 790, 928, 976, 986, 1037, 1088, 1160, 1220, 1264, 1343, 1360, 1580, 1769, 1856, 1952, 1972, 2074, 2176, 2291, 2320, 2440, 2465, 2528, 2686, 2720, 3160, 3538, 3712, 3904, 3944, 4148, 4582, 4640, 4819, 4880, 4930, 5056, 5185, 5372, 5440, 6320, 6715, 7076, 7808, 7888, 8296, 8845, 9164, 9280, 9638, 9760, 9860, 10112, 10370, 10744, 10880, 11455, 12640, 13430, 14152, 15776, 16592, 17690, 18328, 18560, 19276, 19520, 19720, 20740, 21488, 22910, 24095, 25280, 26860, 28304, 30073, 31552, 33184, 35380, 36656, 38552, 38947, 39040, 39440, 41480, 42976, 45820, 48190, 50560, 53720, 56608, 60146, 63104, 66368, 70760, 73312, 77104, 77894, 78880, 81923, 82960, 85952, 91640, 96380, 107440, 113216, 120292, 132736, 139751, 141520, 146624, 150365, 154208, 155788, 157760, 163846, 165920, 171904, 183280, 192760, 194735, 214880, 226432, 240584, 279502, 283040, 293248, 300730, 308416, 311576, 315520, 327692, 331840, 366560, 385520, 389470, 409615, 429760, 481168, 559004, 566080, 601460, 616832, 623152, 655384, 663680, 698755, 733120, 771040, 778940, 819230, 859520, 962336, 1118008, 1132160, 1202920, 1246304, 1310768, 1397510, 1466240, 1542080, 1557880, 1638460, 1924672, 2236016, 2375767, 2405840, 2492608, 2621536, 2795020, 3084160, 3115760, 3276920, 3849344, 4472032, 4751534, 4811680, 4985216, 5243072, 5590040, 6231520, 6553840, 8944064, 9503068, 9623360, 10486144, 11180080, 11878835, 12463040, 13107680, 17888128, 19006136, 19246720, 22360160, 23757670, 24926080, 26215360, 38012272, 44720320, 47515340, 52430720, 76024544, 89440640, 95030680, 152049088, 190061360, 304098176, 380122720, 760245440, 1520490880]

約数ペア:

[(1, 1520490880), (2, 760245440), (4, 380122720), (5, 304098176), (8, 190061360), (10, 152049088), (16, 95030680), (17, 89440640), (20, 76024544), (29, 52430720), (32, 47515340), (34, 44720320), (40, 38012272), (58, 26215360), (61, 24926080), (64, 23757670), (68, 22360160), (79, 19246720), (80, 19006136), (85, 17888128), (116, 13107680), (122, 12463040), (128, 11878835), (136, 11180080), (145, 10486144), (158, 9623360), (160, 9503068), (170, 8944064), (232, 6553840), (244, 6231520), (272, 5590040), (290, 5243072), (305, 4985216), (316, 4811680), (320, 4751534), (340, 4472032), (395, 3849344), (464, 3276920), (488, 3115760), (493, 3084160), (544, 2795020), (580, 2621536), (610, 2492608), (632, 2405840), (640, 2375767), (680, 2236016), (790, 1924672), (928, 1638460), (976, 1557880), (986, 1542080), (1037, 1466240), (1088, 1397510), (1160, 1310768), (1220, 1246304), (1264, 1202920), (1343, 1132160), (1360, 1118008), (1580, 962336), (1769, 859520), (1856, 819230), (1952, 778940), (1972, 771040), (2074, 733120), (2176, 698755), (2291, 663680), (2320, 655384), (2440, 623152), (2465, 616832), (2528, 601460), (2686, 566080), (2720, 559004), (3160, 481168), (3538, 429760), (3712, 409615), (3904, 389470), (3944, 385520), (4148, 366560), (4582, 331840), (4640, 327692), (4819, 315520), (4880, 311576), (4930, 308416), (5056, 300730), (5185, 293248), (5372, 283040), (5440, 279502), (6320, 240584), (6715, 226432), (7076, 214880), (7808, 194735), (7888, 192760), (8296, 183280), (8845, 171904), (9164, 165920), (9280, 163846), (9638, 157760), (9760, 155788), (9860, 154208), (10112, 150365), (10370, 146624), (10744, 141520), (10880, 139751), (11455, 132736), (12640, 120292), (13430, 113216), (14152, 107440), (15776, 96380), (16592, 91640), (17690, 85952), (18328, 82960), (18560, 81923), (19276, 78880), (19520, 77894), (19720, 77104), (20740, 73312), (21488, 70760), (22910, 66368), (24095, 63104), (25280, 60146), (26860, 56608), (28304, 53720), (30073, 50560), (31552, 48190), (33184, 45820), (35380, 42976), (36656, 41480), (38552, 39440), (38947, 39040)]