18238080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 256

約数和(自身を含む): 70502400

約数和(自身を除く): 52264320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 59, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 118, 120, 128, 138, 140, 160, 161, 168, 177, 184, 192, 210, 224, 230, 236, 240, 276, 280, 295, 320, 322, 336, 345, 354, 368, 384, 413, 420, 448, 460, 472, 480, 483, 552, 560, 590, 640, 644, 672, 690, 708, 736, 805, 826, 840, 885, 896, 920, 944, 960, 966, 1104, 1120, 1180, 1239, 1288, 1344, 1357, 1380, 1416, 1472, 1610, 1652, 1680, 1770, 1840, 1888, 1920, 1932, 2065, 2208, 2240, 2360, 2415, 2478, 2576, 2688, 2714, 2760, 2832, 2944, 3220, 3304, 3360, 3540, 3680, 3776, 3864, 4071, 4130, 4416, 4480, 4720, 4830, 4956, 5152, 5428, 5520, 5664, 6195, 6440, 6608, 6720, 6785, 7080, 7360, 7552, 7728, 8142, 8260, 8832, 9440, 9499, 9660, 9912, 10304, 10856, 11040, 11328, 12390, 12880, 13216, 13440, 13570, 14160, 14720, 15456, 16284, 16520, 18880, 18998, 19320, 19824, 20355, 20608, 21712, 22080, 22656, 24780, 25760, 26432, 27140, 28320, 28497, 30912, 32568, 33040, 37760, 37996, 38640, 39648, 40710, 43424, 44160, 47495, 49560, 51520, 52864, 54280, 56640, 56994, 61824, 65136, 66080, 75992, 77280, 79296, 81420, 86848, 94990, 99120, 103040, 108560, 113280, 113988, 130272, 132160, 142485, 151984, 154560, 158592, 162840, 173696, 189980, 198240, 217120, 227976, 260544, 264320, 284970, 303968, 309120, 325680, 379960, 396480, 434240, 455952, 521088, 569940, 607936, 651360, 759920, 792960, 868480, 911904, 1139880, 1215872, 1302720, 1519840, 1823808, 2279760, 2605440, 3039680, 3647616, 4559520, 6079360, 9119040, 18238080]

約数ペア:

[(1, 18238080), (2, 9119040), (3, 6079360), (4, 4559520), (5, 3647616), (6, 3039680), (7, 2605440), (8, 2279760), (10, 1823808), (12, 1519840), (14, 1302720), (15, 1215872), (16, 1139880), (20, 911904), (21, 868480), (23, 792960), (24, 759920), (28, 651360), (30, 607936), (32, 569940), (35, 521088), (40, 455952), (42, 434240), (46, 396480), (48, 379960), (56, 325680), (59, 309120), (60, 303968), (64, 284970), (69, 264320), (70, 260544), (80, 227976), (84, 217120), (92, 198240), (96, 189980), (105, 173696), (112, 162840), (115, 158592), (118, 154560), (120, 151984), (128, 142485), (138, 132160), (140, 130272), (160, 113988), (161, 113280), (168, 108560), (177, 103040), (184, 99120), (192, 94990), (210, 86848), (224, 81420), (230, 79296), (236, 77280), (240, 75992), (276, 66080), (280, 65136), (295, 61824), (320, 56994), (322, 56640), (336, 54280), (345, 52864), (354, 51520), (368, 49560), (384, 47495), (413, 44160), (420, 43424), (448, 40710), (460, 39648), (472, 38640), (480, 37996), (483, 37760), (552, 33040), (560, 32568), (590, 30912), (640, 28497), (644, 28320), (672, 27140), (690, 26432), (708, 25760), (736, 24780), (805, 22656), (826, 22080), (840, 21712), (885, 20608), (896, 20355), (920, 19824), (944, 19320), (960, 18998), (966, 18880), (1104, 16520), (1120, 16284), (1180, 15456), (1239, 14720), (1288, 14160), (1344, 13570), (1357, 13440), (1380, 13216), (1416, 12880), (1472, 12390), (1610, 11328), (1652, 11040), (1680, 10856), (1770, 10304), (1840, 9912), (1888, 9660), (1920, 9499), (1932, 9440), (2065, 8832), (2208, 8260), (2240, 8142), (2360, 7728), (2415, 7552), (2478, 7360), (2576, 7080), (2688, 6785), (2714, 6720), (2760, 6608), (2832, 6440), (2944, 6195), (3220, 5664), (3304, 5520), (3360, 5428), (3540, 5152), (3680, 4956), (3776, 4830), (3864, 4720), (4071, 4480), (4130, 4416)]