263628800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 690580800

約数和(自身を除く): 426952000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 271, 304, 320, 380, 400, 475, 512, 542, 608, 640, 760, 800, 950, 1024, 1084, 1216, 1280, 1355, 1520, 1600, 1900, 2048, 2168, 2432, 2560, 2710, 3040, 3200, 3800, 4336, 4864, 5120, 5149, 5420, 6080, 6400, 6775, 7600, 8672, 9728, 10240, 10298, 10840, 12160, 12800, 13550, 15200, 17344, 19456, 20596, 21680, 24320, 25600, 25745, 27100, 30400, 34688, 38912, 41192, 43360, 48640, 51200, 51490, 54200, 60800, 69376, 82384, 86720, 97280, 102980, 108400, 121600, 128725, 138752, 164768, 173440, 194560, 205960, 216800, 243200, 257450, 277504, 329536, 346880, 411920, 433600, 486400, 514900, 555008, 659072, 693760, 823840, 867200, 972800, 1029800, 1318144, 1387520, 1647680, 1734400, 2059600, 2636288, 2775040, 3295360, 3468800, 4119200, 5272576, 6590720, 6937600, 8238400, 10545152, 13181440, 13875200, 16476800, 26362880, 32953600, 52725760, 65907200, 131814400, 263628800]

約数ペア:

[(1, 263628800), (2, 131814400), (4, 65907200), (5, 52725760), (8, 32953600), (10, 26362880), (16, 16476800), (19, 13875200), (20, 13181440), (25, 10545152), (32, 8238400), (38, 6937600), (40, 6590720), (50, 5272576), (64, 4119200), (76, 3468800), (80, 3295360), (95, 2775040), (100, 2636288), (128, 2059600), (152, 1734400), (160, 1647680), (190, 1387520), (200, 1318144), (256, 1029800), (271, 972800), (304, 867200), (320, 823840), (380, 693760), (400, 659072), (475, 555008), (512, 514900), (542, 486400), (608, 433600), (640, 411920), (760, 346880), (800, 329536), (950, 277504), (1024, 257450), (1084, 243200), (1216, 216800), (1280, 205960), (1355, 194560), (1520, 173440), (1600, 164768), (1900, 138752), (2048, 128725), (2168, 121600), (2432, 108400), (2560, 102980), (2710, 97280), (3040, 86720), (3200, 82384), (3800, 69376), (4336, 60800), (4864, 54200), (5120, 51490), (5149, 51200), (5420, 48640), (6080, 43360), (6400, 41192), (6775, 38912), (7600, 34688), (8672, 30400), (9728, 27100), (10240, 25745), (10298, 25600), (10840, 24320), (12160, 21680), (12800, 20596), (13550, 19456), (15200, 17344)]