205086720

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{1669}}^1$

素因数の和:1703

約数の個数: 112

約数和(自身を含む): 656630640

約数和(自身を除く): 451543920

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, 1669, 1920, 2048, 2560, 3072, 3338, 3840, 4096, 5007, 5120, 6144, 6676, 7680, 8192, 8345, 10014, 10240, 12288, 13352, 15360, 16690, 20028, 20480, 24576, 25035, 26704, 30720, 33380, 40056, 40960, 50070, 53408, 61440, 66760, 80112, 100140, 106816, 122880, 133520, 160224, 200280, 213632, 267040, 320448, 400560, 427264, 534080, 640896, 801120, 854528, 1068160, 1281792, 1602240, 1709056, 2136320, 2563584, 3204480, 3418112, 4272640, 5127168, 6408960, 6836224, 8545280, 10254336, 12817920, 13672448, 17090560, 20508672, 25635840, 34181120, 41017344, 51271680, 68362240, 102543360, 205086720]

約数ペア:

[(1, 205086720), (2, 102543360), (3, 68362240), (4, 51271680), (5, 41017344), (6, 34181120), (8, 25635840), (10, 20508672), (12, 17090560), (15, 13672448), (16, 12817920), (20, 10254336), (24, 8545280), (30, 6836224), (32, 6408960), (40, 5127168), (48, 4272640), (60, 3418112), (64, 3204480), (80, 2563584), (96, 2136320), (120, 1709056), (128, 1602240), (160, 1281792), (192, 1068160), (240, 854528), (256, 801120), (320, 640896), (384, 534080), (480, 427264), (512, 400560), (640, 320448), (768, 267040), (960, 213632), (1024, 200280), (1280, 160224), (1536, 133520), (1669, 122880), (1920, 106816), (2048, 100140), (2560, 80112), (3072, 66760), (3338, 61440), (3840, 53408), (4096, 50070), (5007, 40960), (5120, 40056), (6144, 33380), (6676, 30720), (7680, 26704), (8192, 25035), (8345, 24576), (10014, 20480), (10240, 20028), (12288, 16690), (13352, 15360)]