661868928

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 256

約数和(自身を含む): 2261952000

約数和(自身を除く): 1600083072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 109, 112, 126, 128, 144, 168, 189, 192, 216, 218, 224, 251, 252, 288, 327, 336, 378, 384, 432, 436, 448, 502, 504, 576, 654, 672, 753, 756, 763, 864, 872, 896, 981, 1004, 1008, 1152, 1308, 1344, 1506, 1512, 1526, 1728, 1744, 1757, 1962, 2008, 2016, 2259, 2289, 2616, 2688, 2943, 3012, 3024, 3052, 3456, 3488, 3514, 3924, 4016, 4032, 4518, 4578, 5232, 5271, 5886, 6024, 6048, 6104, 6777, 6867, 6976, 7028, 7848, 8032, 8064, 9036, 9156, 10464, 10542, 11772, 12048, 12096, 12208, 13554, 13734, 13952, 14056, 15696, 15813, 16064, 18072, 18312, 20601, 20928, 21084, 23544, 24096, 24192, 24416, 27108, 27359, 27468, 28112, 31392, 31626, 32128, 36144, 36624, 41202, 41856, 42168, 47088, 47439, 48192, 48832, 54216, 54718, 54936, 56224, 62784, 63252, 72288, 73248, 82077, 82404, 84336, 94176, 94878, 96384, 97664, 108432, 109436, 109872, 112448, 125568, 126504, 144576, 146496, 164154, 164808, 168672, 188352, 189756, 191513, 216864, 218872, 219744, 224896, 246231, 253008, 289152, 292992, 328308, 329616, 337344, 376704, 379512, 383026, 433728, 437744, 439488, 492462, 506016, 574539, 656616, 659232, 674688, 738693, 759024, 766052, 867456, 875488, 878976, 984924, 1012032, 1149078, 1313232, 1318464, 1477386, 1518048, 1532104, 1723617, 1750976, 1969848, 2024064, 2298156, 2626464, 2636928, 2954772, 3036096, 3064208, 3447234, 3501952, 3939696, 4596312, 5170851, 5252928, 5909544, 6072192, 6128416, 6894468, 7879392, 9192624, 10341702, 10505856, 11819088, 12256832, 13788936, 15758784, 18385248, 20683404, 23638176, 24513664, 27577872, 31517568, 36770496, 41366808, 47276352, 55155744, 73540992, 82733616, 94552704, 110311488, 165467232, 220622976, 330934464, 661868928]

約数ペア:

[(1, 661868928), (2, 330934464), (3, 220622976), (4, 165467232), (6, 110311488), (7, 94552704), (8, 82733616), (9, 73540992), (12, 55155744), (14, 47276352), (16, 41366808), (18, 36770496), (21, 31517568), (24, 27577872), (27, 24513664), (28, 23638176), (32, 20683404), (36, 18385248), (42, 15758784), (48, 13788936), (54, 12256832), (56, 11819088), (63, 10505856), (64, 10341702), (72, 9192624), (84, 7879392), (96, 6894468), (108, 6128416), (109, 6072192), (112, 5909544), (126, 5252928), (128, 5170851), (144, 4596312), (168, 3939696), (189, 3501952), (192, 3447234), (216, 3064208), (218, 3036096), (224, 2954772), (251, 2636928), (252, 2626464), (288, 2298156), (327, 2024064), (336, 1969848), (378, 1750976), (384, 1723617), (432, 1532104), (436, 1518048), (448, 1477386), (502, 1318464), (504, 1313232), (576, 1149078), (654, 1012032), (672, 984924), (753, 878976), (756, 875488), (763, 867456), (864, 766052), (872, 759024), (896, 738693), (981, 674688), (1004, 659232), (1008, 656616), (1152, 574539), (1308, 506016), (1344, 492462), (1506, 439488), (1512, 437744), (1526, 433728), (1728, 383026), (1744, 379512), (1757, 376704), (1962, 337344), (2008, 329616), (2016, 328308), (2259, 292992), (2289, 289152), (2616, 253008), (2688, 246231), (2943, 224896), (3012, 219744), (3024, 218872), (3052, 216864), (3456, 191513), (3488, 189756), (3514, 188352), (3924, 168672), (4016, 164808), (4032, 164154), (4518, 146496), (4578, 144576), (5232, 126504), (5271, 125568), (5886, 112448), (6024, 109872), (6048, 109436), (6104, 108432), (6777, 97664), (6867, 96384), (6976, 94878), (7028, 94176), (7848, 84336), (8032, 82404), (8064, 82077), (9036, 73248), (9156, 72288), (10464, 63252), (10542, 62784), (11772, 56224), (12048, 54936), (12096, 54718), (12208, 54216), (13554, 48832), (13734, 48192), (13952, 47439), (14056, 47088), (15696, 42168), (15813, 41856), (16064, 41202), (18072, 36624), (18312, 36144), (20601, 32128), (20928, 31626), (21084, 31392), (23544, 28112), (24096, 27468), (24192, 27359), (24416, 27108)]