321123712

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1504

約数の個数: 128

約数和(自身を含む): 829382400

約数和(自身を除く): 508258688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 988, 1064, 1216, 1451, 1456, 1664, 1729, 1976, 2128, 2432, 2902, 2912, 3458, 3952, 4256, 5804, 5824, 6916, 7904, 8512, 10157, 11608, 11648, 13832, 15808, 17024, 18863, 20314, 23216, 27569, 27664, 31616, 37726, 40628, 46432, 55138, 55328, 75452, 81256, 92864, 110276, 110656, 132041, 150904, 162512, 185728, 192983, 220552, 221312, 264082, 301808, 325024, 358397, 385966, 441104, 528164, 603616, 650048, 716794, 771932, 882208, 1056328, 1207232, 1300096, 1433588, 1543864, 1764416, 2112656, 2414464, 2508779, 2867176, 3087728, 3528832, 4225312, 5017558, 5734352, 6175456, 8450624, 10035116, 11468704, 12350912, 16901248, 20070232, 22937408, 24701824, 40140464, 45874816, 80280928, 160561856, 321123712]

約数ペア:

[(1, 321123712), (2, 160561856), (4, 80280928), (7, 45874816), (8, 40140464), (13, 24701824), (14, 22937408), (16, 20070232), (19, 16901248), (26, 12350912), (28, 11468704), (32, 10035116), (38, 8450624), (52, 6175456), (56, 5734352), (64, 5017558), (76, 4225312), (91, 3528832), (104, 3087728), (112, 2867176), (128, 2508779), (133, 2414464), (152, 2112656), (182, 1764416), (208, 1543864), (224, 1433588), (247, 1300096), (266, 1207232), (304, 1056328), (364, 882208), (416, 771932), (448, 716794), (494, 650048), (532, 603616), (608, 528164), (728, 441104), (832, 385966), (896, 358397), (988, 325024), (1064, 301808), (1216, 264082), (1451, 221312), (1456, 220552), (1664, 192983), (1729, 185728), (1976, 162512), (2128, 150904), (2432, 132041), (2902, 110656), (2912, 110276), (3458, 92864), (3952, 81256), (4256, 75452), (5804, 55328), (5824, 55138), (6916, 46432), (7904, 40628), (8512, 37726), (10157, 31616), (11608, 27664), (11648, 27569), (13832, 23216), (15808, 20314), (17024, 18863)]