81784320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:512

約数の個数: 160

約数和(自身を含む): 273411072

約数和(自身を除く): 191626752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 463, 480, 512, 552, 640, 690, 736, 768, 920, 926, 960, 1104, 1280, 1380, 1389, 1472, 1536, 1840, 1852, 1920, 2208, 2315, 2560, 2760, 2778, 2944, 3680, 3704, 3840, 4416, 4630, 5520, 5556, 5888, 6945, 7360, 7408, 7680, 8832, 9260, 10649, 11040, 11112, 11776, 13890, 14720, 14816, 17664, 18520, 21298, 22080, 22224, 27780, 29440, 29632, 31947, 35328, 37040, 42596, 44160, 44448, 53245, 55560, 58880, 59264, 63894, 74080, 85192, 88320, 88896, 106490, 111120, 118528, 127788, 148160, 159735, 170384, 176640, 177792, 212980, 222240, 237056, 255576, 296320, 319470, 340768, 355584, 425960, 444480, 511152, 592640, 638940, 681536, 711168, 851920, 888960, 1022304, 1185280, 1277880, 1363072, 1703840, 1777920, 2044608, 2555760, 2726144, 3407680, 3555840, 4089216, 5111520, 5452288, 6815360, 8178432, 10223040, 13630720, 16356864, 20446080, 27261440, 40892160, 81784320]

約数ペア:

[(1, 81784320), (2, 40892160), (3, 27261440), (4, 20446080), (5, 16356864), (6, 13630720), (8, 10223040), (10, 8178432), (12, 6815360), (15, 5452288), (16, 5111520), (20, 4089216), (23, 3555840), (24, 3407680), (30, 2726144), (32, 2555760), (40, 2044608), (46, 1777920), (48, 1703840), (60, 1363072), (64, 1277880), (69, 1185280), (80, 1022304), (92, 888960), (96, 851920), (115, 711168), (120, 681536), (128, 638940), (138, 592640), (160, 511152), (184, 444480), (192, 425960), (230, 355584), (240, 340768), (256, 319470), (276, 296320), (320, 255576), (345, 237056), (368, 222240), (384, 212980), (460, 177792), (463, 176640), (480, 170384), (512, 159735), (552, 148160), (640, 127788), (690, 118528), (736, 111120), (768, 106490), (920, 88896), (926, 88320), (960, 85192), (1104, 74080), (1280, 63894), (1380, 59264), (1389, 58880), (1472, 55560), (1536, 53245), (1840, 44448), (1852, 44160), (1920, 42596), (2208, 37040), (2315, 35328), (2560, 31947), (2760, 29632), (2778, 29440), (2944, 27780), (3680, 22224), (3704, 22080), (3840, 21298), (4416, 18520), (4630, 17664), (5520, 14816), (5556, 14720), (5888, 13890), (6945, 11776), (7360, 11112), (7408, 11040), (7680, 10649), (8832, 9260)]