645981696

素因数分解:

$2^9\times 3^3\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 160

約数和(自身を含む): 1938625920

約数和(自身を除く): 1292644224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 83, 96, 108, 128, 144, 166, 192, 216, 249, 256, 288, 332, 384, 432, 498, 512, 563, 576, 664, 747, 768, 864, 996, 1126, 1152, 1328, 1494, 1536, 1689, 1728, 1992, 2241, 2252, 2304, 2656, 2988, 3378, 3456, 3984, 4482, 4504, 4608, 5067, 5312, 5976, 6756, 6912, 7968, 8964, 9008, 10134, 10624, 11952, 13512, 13824, 15201, 15936, 17928, 18016, 20268, 21248, 23904, 27024, 30402, 31872, 35856, 36032, 40536, 42496, 46729, 47808, 54048, 60804, 63744, 71712, 72064, 81072, 93458, 95616, 108096, 121608, 127488, 140187, 143424, 144128, 162144, 186916, 191232, 216192, 243216, 280374, 286848, 288256, 324288, 373832, 382464, 420561, 432384, 486432, 560748, 573696, 648576, 747664, 841122, 864768, 972864, 1121496, 1147392, 1261683, 1297152, 1495328, 1682244, 1945728, 2242992, 2523366, 2594304, 2990656, 3364488, 3891456, 4485984, 5046732, 5981312, 6728976, 7782912, 8971968, 10093464, 11962624, 13457952, 17943936, 20186928, 23925248, 26915904, 35887872, 40373856, 53831808, 71775744, 80747712, 107663616, 161495424, 215327232, 322990848, 645981696]

約数ペア:

[(1, 645981696), (2, 322990848), (3, 215327232), (4, 161495424), (6, 107663616), (8, 80747712), (9, 71775744), (12, 53831808), (16, 40373856), (18, 35887872), (24, 26915904), (27, 23925248), (32, 20186928), (36, 17943936), (48, 13457952), (54, 11962624), (64, 10093464), (72, 8971968), (83, 7782912), (96, 6728976), (108, 5981312), (128, 5046732), (144, 4485984), (166, 3891456), (192, 3364488), (216, 2990656), (249, 2594304), (256, 2523366), (288, 2242992), (332, 1945728), (384, 1682244), (432, 1495328), (498, 1297152), (512, 1261683), (563, 1147392), (576, 1121496), (664, 972864), (747, 864768), (768, 841122), (864, 747664), (996, 648576), (1126, 573696), (1152, 560748), (1328, 486432), (1494, 432384), (1536, 420561), (1689, 382464), (1728, 373832), (1992, 324288), (2241, 288256), (2252, 286848), (2304, 280374), (2656, 243216), (2988, 216192), (3378, 191232), (3456, 186916), (3984, 162144), (4482, 144128), (4504, 143424), (4608, 140187), (5067, 127488), (5312, 121608), (5976, 108096), (6756, 95616), (6912, 93458), (7968, 81072), (8964, 72064), (9008, 71712), (10134, 63744), (10624, 60804), (11952, 54048), (13512, 47808), (13824, 46729), (15201, 42496), (15936, 40536), (17928, 36032), (18016, 35856), (20268, 31872), (21248, 30402), (23904, 27024)]