399450240

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{9907}}^1$

素因数の和:9939

約数の個数: 192

約数和(自身を含む): 1576560960

約数和(自身を除く): 1177110720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 9907, 10080, 13440, 19814, 20160, 29721, 39628, 40320, 49535, 59442, 69349, 79256, 89163, 99070, 118884, 138698, 148605, 158512, 178326, 198140, 208047, 237768, 277396, 297210, 317024, 346745, 356652, 396280, 416094, 445815, 475536, 554792, 594420, 624141, 634048, 693490, 713304, 792560, 832188, 891630, 951072, 1040235, 1109584, 1188840, 1248282, 1268096, 1386980, 1426608, 1585120, 1664376, 1783260, 1902144, 2080470, 2219168, 2377680, 2496564, 2773960, 2853216, 3120705, 3170240, 3328752, 3566520, 3804288, 4160940, 4438336, 4755360, 4993128, 5547920, 5706432, 6241410, 6340480, 6657504, 7133040, 8321880, 8876672, 9510720, 9986256, 11095840, 11412864, 12482820, 13315008, 14266080, 16643760, 19021440, 19972512, 22191680, 24965640, 26630016, 28532160, 33287520, 39945024, 44383360, 49931280, 57064320, 66575040, 79890048, 99862560, 133150080, 199725120, 399450240]

約数ペア:

[(1, 399450240), (2, 199725120), (3, 133150080), (4, 99862560), (5, 79890048), (6, 66575040), (7, 57064320), (8, 49931280), (9, 44383360), (10, 39945024), (12, 33287520), (14, 28532160), (15, 26630016), (16, 24965640), (18, 22191680), (20, 19972512), (21, 19021440), (24, 16643760), (28, 14266080), (30, 13315008), (32, 12482820), (35, 11412864), (36, 11095840), (40, 9986256), (42, 9510720), (45, 8876672), (48, 8321880), (56, 7133040), (60, 6657504), (63, 6340480), (64, 6241410), (70, 5706432), (72, 5547920), (80, 4993128), (84, 4755360), (90, 4438336), (96, 4160940), (105, 3804288), (112, 3566520), (120, 3328752), (126, 3170240), (128, 3120705), (140, 2853216), (144, 2773960), (160, 2496564), (168, 2377680), (180, 2219168), (192, 2080470), (210, 1902144), (224, 1783260), (240, 1664376), (252, 1585120), (280, 1426608), (288, 1386980), (315, 1268096), (320, 1248282), (336, 1188840), (360, 1109584), (384, 1040235), (420, 951072), (448, 891630), (480, 832188), (504, 792560), (560, 713304), (576, 693490), (630, 634048), (640, 624141), (672, 594420), (720, 554792), (840, 475536), (896, 445815), (960, 416094), (1008, 396280), (1120, 356652), (1152, 346745), (1260, 317024), (1344, 297210), (1440, 277396), (1680, 237768), (1920, 208047), (2016, 198140), (2240, 178326), (2520, 158512), (2688, 148605), (2880, 138698), (3360, 118884), (4032, 99070), (4480, 89163), (5040, 79256), (5760, 69349), (6720, 59442), (8064, 49535), (9907, 40320), (10080, 39628), (13440, 29721), (19814, 20160)]