399544320

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:968

約数の個数: 208

約数和(自身を含む): 1462584960

約数和(自身を除く): 1063040640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 929, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1858, 1920, 2048, 2240, 2560, 2688, 2787, 3072, 3360, 3584, 3716, 3840, 4096, 4480, 4645, 5120, 5376, 5574, 6144, 6503, 6720, 7168, 7432, 7680, 8960, 9290, 10240, 10752, 11148, 12288, 13006, 13440, 13935, 14336, 14864, 15360, 17920, 18580, 19509, 20480, 21504, 22296, 26012, 26880, 27870, 28672, 29728, 30720, 32515, 35840, 37160, 39018, 43008, 44592, 52024, 53760, 55740, 59456, 61440, 65030, 71680, 74320, 78036, 86016, 89184, 97545, 104048, 107520, 111480, 118912, 130060, 143360, 148640, 156072, 178368, 195090, 208096, 215040, 222960, 237824, 260120, 297280, 312144, 356736, 390180, 416192, 430080, 445920, 475648, 520240, 594560, 624288, 713472, 780360, 832384, 891840, 951296, 1040480, 1189120, 1248576, 1426944, 1560720, 1664768, 1783680, 1902592, 2080960, 2378240, 2497152, 2853888, 3121440, 3329536, 3567360, 3805184, 4161920, 4756480, 4994304, 5707776, 6242880, 6659072, 7134720, 8323840, 9512960, 9988608, 11415552, 12485760, 13318144, 14269440, 16647680, 19025920, 19977216, 24971520, 26636288, 28538880, 33295360, 39954432, 49943040, 57077760, 66590720, 79908864, 99886080, 133181440, 199772160, 399544320]

約数ペア:

[(1, 399544320), (2, 199772160), (3, 133181440), (4, 99886080), (5, 79908864), (6, 66590720), (7, 57077760), (8, 49943040), (10, 39954432), (12, 33295360), (14, 28538880), (15, 26636288), (16, 24971520), (20, 19977216), (21, 19025920), (24, 16647680), (28, 14269440), (30, 13318144), (32, 12485760), (35, 11415552), (40, 9988608), (42, 9512960), (48, 8323840), (56, 7134720), (60, 6659072), (64, 6242880), (70, 5707776), (80, 4994304), (84, 4756480), (96, 4161920), (105, 3805184), (112, 3567360), (120, 3329536), (128, 3121440), (140, 2853888), (160, 2497152), (168, 2378240), (192, 2080960), (210, 1902592), (224, 1783680), (240, 1664768), (256, 1560720), (280, 1426944), (320, 1248576), (336, 1189120), (384, 1040480), (420, 951296), (448, 891840), (480, 832384), (512, 780360), (560, 713472), (640, 624288), (672, 594560), (768, 520240), (840, 475648), (896, 445920), (929, 430080), (960, 416192), (1024, 390180), (1120, 356736), (1280, 312144), (1344, 297280), (1536, 260120), (1680, 237824), (1792, 222960), (1858, 215040), (1920, 208096), (2048, 195090), (2240, 178368), (2560, 156072), (2688, 148640), (2787, 143360), (3072, 130060), (3360, 118912), (3584, 111480), (3716, 107520), (3840, 104048), (4096, 97545), (4480, 89184), (4645, 86016), (5120, 78036), (5376, 74320), (5574, 71680), (6144, 65030), (6503, 61440), (6720, 59456), (7168, 55740), (7432, 53760), (7680, 52024), (8960, 44592), (9290, 43008), (10240, 39018), (10752, 37160), (11148, 35840), (12288, 32515), (13006, 30720), (13440, 29728), (13935, 28672), (14336, 27870), (14864, 26880), (15360, 26012), (17920, 22296), (18580, 21504), (19509, 20480)]