819363840

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1705

約数の個数: 128

約数和(自身を含む): 2623497120

約数和(自身を除く): 1804133280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1667, 1920, 2048, 2560, 3072, 3334, 3840, 4096, 5001, 5120, 6144, 6668, 7680, 8192, 8335, 10002, 10240, 12288, 13336, 15360, 16384, 16670, 20004, 20480, 24576, 25005, 26672, 30720, 32768, 33340, 40008, 40960, 49152, 50010, 53344, 61440, 66680, 80016, 81920, 98304, 100020, 106688, 122880, 133360, 160032, 163840, 200040, 213376, 245760, 266720, 320064, 400080, 426752, 491520, 533440, 640128, 800160, 853504, 1066880, 1280256, 1600320, 1707008, 2133760, 2560512, 3200640, 3414016, 4267520, 5121024, 6401280, 6828032, 8535040, 10242048, 12802560, 13656064, 17070080, 20484096, 25605120, 27312128, 34140160, 40968192, 51210240, 54624256, 68280320, 81936384, 102420480, 136560640, 163872768, 204840960, 273121280, 409681920, 819363840]

約数ペア:

[(1, 819363840), (2, 409681920), (3, 273121280), (4, 204840960), (5, 163872768), (6, 136560640), (8, 102420480), (10, 81936384), (12, 68280320), (15, 54624256), (16, 51210240), (20, 40968192), (24, 34140160), (30, 27312128), (32, 25605120), (40, 20484096), (48, 17070080), (60, 13656064), (64, 12802560), (80, 10242048), (96, 8535040), (120, 6828032), (128, 6401280), (160, 5121024), (192, 4267520), (240, 3414016), (256, 3200640), (320, 2560512), (384, 2133760), (480, 1707008), (512, 1600320), (640, 1280256), (768, 1066880), (960, 853504), (1024, 800160), (1280, 640128), (1536, 533440), (1667, 491520), (1920, 426752), (2048, 400080), (2560, 320064), (3072, 266720), (3334, 245760), (3840, 213376), (4096, 200040), (5001, 163840), (5120, 160032), (6144, 133360), (6668, 122880), (7680, 106688), (8192, 100020), (8335, 98304), (10002, 81920), (10240, 80016), (12288, 66680), (13336, 61440), (15360, 53344), (16384, 50010), (16670, 49152), (20004, 40960), (20480, 40008), (24576, 33340), (25005, 32768), (26672, 30720)]