643951728

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1109

約数の個数: 240

約数和(自身を含む): 2226420000

約数和(自身を除く): 1582468272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 36, 42, 48, 49, 54, 56, 58, 63, 72, 84, 87, 98, 108, 112, 116, 126, 144, 147, 168, 174, 189, 196, 203, 216, 232, 252, 261, 294, 336, 348, 378, 392, 406, 432, 441, 464, 504, 522, 588, 609, 696, 756, 783, 784, 812, 882, 1008, 1044, 1049, 1176, 1218, 1323, 1392, 1421, 1512, 1566, 1624, 1764, 1827, 2088, 2098, 2352, 2436, 2646, 2842, 3024, 3132, 3147, 3248, 3528, 3654, 4176, 4196, 4263, 4872, 5292, 5481, 5684, 6264, 6294, 7056, 7308, 7343, 8392, 8526, 9441, 9744, 10584, 10962, 11368, 12528, 12588, 12789, 14616, 14686, 16784, 17052, 18882, 21168, 21924, 22029, 22736, 25176, 25578, 28323, 29232, 29372, 30421, 34104, 37764, 38367, 43848, 44058, 50352, 51156, 51401, 56646, 58744, 60842, 66087, 68208, 75528, 76734, 87696, 88116, 91263, 102312, 102802, 113292, 117488, 121684, 132174, 151056, 153468, 154203, 176232, 182526, 198261, 204624, 205604, 212947, 226584, 243368, 264348, 273789, 306936, 308406, 352464, 365052, 396522, 411208, 425894, 453168, 462609, 486736, 528696, 547578, 613872, 616812, 638841, 730104, 793044, 821367, 822416, 851788, 925218, 1057392, 1095156, 1233624, 1277682, 1387827, 1460208, 1490629, 1586088, 1642734, 1703576, 1850436, 1916523, 2190312, 2467248, 2555364, 2775654, 2981258, 3172176, 3285468, 3407152, 3700872, 3833046, 4380624, 4471887, 5110728, 5551308, 5749569, 5962516, 6570936, 7401744, 7666092, 8943774, 10221456, 11102616, 11499138, 11925032, 13141872, 13415661, 15332184, 17887548, 22205232, 22998276, 23850064, 26831322, 30664368, 35775096, 40246983, 45996552, 53662644, 71550192, 80493966, 91993104, 107325288, 160987932, 214650576, 321975864, 643951728]

約数ペア:

[(1, 643951728), (2, 321975864), (3, 214650576), (4, 160987932), (6, 107325288), (7, 91993104), (8, 80493966), (9, 71550192), (12, 53662644), (14, 45996552), (16, 40246983), (18, 35775096), (21, 30664368), (24, 26831322), (27, 23850064), (28, 22998276), (29, 22205232), (36, 17887548), (42, 15332184), (48, 13415661), (49, 13141872), (54, 11925032), (56, 11499138), (58, 11102616), (63, 10221456), (72, 8943774), (84, 7666092), (87, 7401744), (98, 6570936), (108, 5962516), (112, 5749569), (116, 5551308), (126, 5110728), (144, 4471887), (147, 4380624), (168, 3833046), (174, 3700872), (189, 3407152), (196, 3285468), (203, 3172176), (216, 2981258), (232, 2775654), (252, 2555364), (261, 2467248), (294, 2190312), (336, 1916523), (348, 1850436), (378, 1703576), (392, 1642734), (406, 1586088), (432, 1490629), (441, 1460208), (464, 1387827), (504, 1277682), (522, 1233624), (588, 1095156), (609, 1057392), (696, 925218), (756, 851788), (783, 822416), (784, 821367), (812, 793044), (882, 730104), (1008, 638841), (1044, 616812), (1049, 613872), (1176, 547578), (1218, 528696), (1323, 486736), (1392, 462609), (1421, 453168), (1512, 425894), (1566, 411208), (1624, 396522), (1764, 365052), (1827, 352464), (2088, 308406), (2098, 306936), (2352, 273789), (2436, 264348), (2646, 243368), (2842, 226584), (3024, 212947), (3132, 205604), (3147, 204624), (3248, 198261), (3528, 182526), (3654, 176232), (4176, 154203), (4196, 153468), (4263, 151056), (4872, 132174), (5292, 121684), (5481, 117488), (5684, 113292), (6264, 102802), (6294, 102312), (7056, 91263), (7308, 88116), (7343, 87696), (8392, 76734), (8526, 75528), (9441, 68208), (9744, 66087), (10584, 60842), (10962, 58744), (11368, 56646), (12528, 51401), (12588, 51156), (12789, 50352), (14616, 44058), (14686, 43848), (16784, 38367), (17052, 37764), (18882, 34104), (21168, 30421), (21924, 29372), (22029, 29232), (22736, 28323), (25176, 25578)]