42857280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 168

約数和(自身を含む): 154058112

約数和(自身を除く): 111200832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 460, 480, 552, 576, 647, 690, 720, 736, 828, 920, 960, 1035, 1104, 1294, 1380, 1440, 1472, 1656, 1840, 1941, 2070, 2208, 2588, 2760, 2880, 3235, 3312, 3680, 3882, 4140, 4416, 5176, 5520, 5823, 6470, 6624, 7360, 7764, 8280, 9705, 10352, 11040, 11646, 12940, 13248, 14881, 15528, 16560, 19410, 20704, 22080, 23292, 25880, 29115, 29762, 31056, 33120, 38820, 41408, 44643, 46584, 51760, 58230, 59524, 62112, 66240, 74405, 77640, 89286, 93168, 103520, 116460, 119048, 124224, 133929, 148810, 155280, 178572, 186336, 207040, 223215, 232920, 238096, 267858, 297620, 310560, 357144, 372672, 446430, 465840, 476192, 535716, 595240, 621120, 669645, 714288, 892860, 931680, 952384, 1071432, 1190480, 1339290, 1428576, 1785720, 1863360, 2142864, 2380960, 2678580, 2857152, 3571440, 4285728, 4761920, 5357160, 7142880, 8571456, 10714320, 14285760, 21428640, 42857280]

約数ペア:

[(1, 42857280), (2, 21428640), (3, 14285760), (4, 10714320), (5, 8571456), (6, 7142880), (8, 5357160), (9, 4761920), (10, 4285728), (12, 3571440), (15, 2857152), (16, 2678580), (18, 2380960), (20, 2142864), (23, 1863360), (24, 1785720), (30, 1428576), (32, 1339290), (36, 1190480), (40, 1071432), (45, 952384), (46, 931680), (48, 892860), (60, 714288), (64, 669645), (69, 621120), (72, 595240), (80, 535716), (90, 476192), (92, 465840), (96, 446430), (115, 372672), (120, 357144), (138, 310560), (144, 297620), (160, 267858), (180, 238096), (184, 232920), (192, 223215), (207, 207040), (230, 186336), (240, 178572), (276, 155280), (288, 148810), (320, 133929), (345, 124224), (360, 119048), (368, 116460), (414, 103520), (460, 93168), (480, 89286), (552, 77640), (576, 74405), (647, 66240), (690, 62112), (720, 59524), (736, 58230), (828, 51760), (920, 46584), (960, 44643), (1035, 41408), (1104, 38820), (1294, 33120), (1380, 31056), (1440, 29762), (1472, 29115), (1656, 25880), (1840, 23292), (1941, 22080), (2070, 20704), (2208, 19410), (2588, 16560), (2760, 15528), (2880, 14881), (3235, 13248), (3312, 12940), (3680, 11646), (3882, 11040), (4140, 10352), (4416, 9705), (5176, 8280), (5520, 7764), (5823, 7360), (6470, 6624)]