21020160

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 320

約数和(自身を含む): 84851712

約数和(自身を除く): 63831552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 32, 34, 35, 40, 42, 46, 48, 51, 56, 60, 64, 68, 69, 70, 80, 84, 85, 92, 96, 102, 105, 112, 115, 119, 120, 128, 136, 138, 140, 160, 161, 168, 170, 184, 192, 204, 210, 224, 230, 238, 240, 255, 256, 272, 276, 280, 320, 322, 336, 340, 345, 357, 368, 384, 391, 408, 420, 448, 460, 476, 480, 483, 510, 512, 544, 552, 560, 595, 640, 644, 672, 680, 690, 714, 736, 768, 782, 805, 816, 840, 896, 920, 952, 960, 966, 1020, 1088, 1104, 1120, 1173, 1190, 1280, 1288, 1344, 1360, 1380, 1428, 1472, 1536, 1564, 1610, 1632, 1680, 1785, 1792, 1840, 1904, 1920, 1932, 1955, 2040, 2176, 2208, 2240, 2346, 2380, 2415, 2560, 2576, 2688, 2720, 2737, 2760, 2856, 2944, 3128, 3220, 3264, 3360, 3570, 3584, 3680, 3808, 3840, 3864, 3910, 4080, 4352, 4416, 4480, 4692, 4760, 4830, 5152, 5376, 5440, 5474, 5520, 5712, 5865, 5888, 6256, 6440, 6528, 6720, 7140, 7360, 7616, 7680, 7728, 7820, 8160, 8211, 8704, 8832, 8960, 9384, 9520, 9660, 10304, 10752, 10880, 10948, 11040, 11424, 11730, 11776, 12512, 12880, 13056, 13440, 13685, 14280, 14720, 15232, 15456, 15640, 16320, 16422, 17664, 17920, 18768, 19040, 19320, 20608, 21760, 21896, 22080, 22848, 23460, 25024, 25760, 26112, 26880, 27370, 28560, 29440, 30464, 30912, 31280, 32640, 32844, 35328, 37536, 38080, 38640, 41055, 41216, 43520, 43792, 44160, 45696, 46920, 50048, 51520, 53760, 54740, 57120, 58880, 60928, 61824, 62560, 65280, 65688, 75072, 76160, 77280, 82110, 82432, 87584, 88320, 91392, 93840, 100096, 103040, 109480, 114240, 123648, 125120, 130560, 131376, 150144, 152320, 154560, 164220, 175168, 176640, 182784, 187680, 200192, 206080, 218960, 228480, 247296, 250240, 262752, 300288, 304640, 309120, 328440, 350336, 375360, 412160, 437920, 456960, 500480, 525504, 600576, 618240, 656880, 700672, 750720, 875840, 913920, 1000960, 1051008, 1236480, 1313760, 1401344, 1501440, 1751680, 2102016, 2627520, 3002880, 3503360, 4204032, 5255040, 7006720, 10510080, 21020160]

約数ペア:

[(1, 21020160), (2, 10510080), (3, 7006720), (4, 5255040), (5, 4204032), (6, 3503360), (7, 3002880), (8, 2627520), (10, 2102016), (12, 1751680), (14, 1501440), (15, 1401344), (16, 1313760), (17, 1236480), (20, 1051008), (21, 1000960), (23, 913920), (24, 875840), (28, 750720), (30, 700672), (32, 656880), (34, 618240), (35, 600576), (40, 525504), (42, 500480), (46, 456960), (48, 437920), (51, 412160), (56, 375360), (60, 350336), (64, 328440), (68, 309120), (69, 304640), (70, 300288), (80, 262752), (84, 250240), (85, 247296), (92, 228480), (96, 218960), (102, 206080), (105, 200192), (112, 187680), (115, 182784), (119, 176640), (120, 175168), (128, 164220), (136, 154560), (138, 152320), (140, 150144), (160, 131376), (161, 130560), (168, 125120), (170, 123648), (184, 114240), (192, 109480), (204, 103040), (210, 100096), (224, 93840), (230, 91392), (238, 88320), (240, 87584), (255, 82432), (256, 82110), (272, 77280), (276, 76160), (280, 75072), (320, 65688), (322, 65280), (336, 62560), (340, 61824), (345, 60928), (357, 58880), (368, 57120), (384, 54740), (391, 53760), (408, 51520), (420, 50048), (448, 46920), (460, 45696), (476, 44160), (480, 43792), (483, 43520), (510, 41216), (512, 41055), (544, 38640), (552, 38080), (560, 37536), (595, 35328), (640, 32844), (644, 32640), (672, 31280), (680, 30912), (690, 30464), (714, 29440), (736, 28560), (768, 27370), (782, 26880), (805, 26112), (816, 25760), (840, 25024), (896, 23460), (920, 22848), (952, 22080), (960, 21896), (966, 21760), (1020, 20608), (1088, 19320), (1104, 19040), (1120, 18768), (1173, 17920), (1190, 17664), (1280, 16422), (1288, 16320), (1344, 15640), (1360, 15456), (1380, 15232), (1428, 14720), (1472, 14280), (1536, 13685), (1564, 13440), (1610, 13056), (1632, 12880), (1680, 12512), (1785, 11776), (1792, 11730), (1840, 11424), (1904, 11040), (1920, 10948), (1932, 10880), (1955, 10752), (2040, 10304), (2176, 9660), (2208, 9520), (2240, 9384), (2346, 8960), (2380, 8832), (2415, 8704), (2560, 8211), (2576, 8160), (2688, 7820), (2720, 7728), (2737, 7680), (2760, 7616), (2856, 7360), (2944, 7140), (3128, 6720), (3220, 6528), (3264, 6440), (3360, 6256), (3570, 5888), (3584, 5865), (3680, 5712), (3808, 5520), (3840, 5474), (3864, 5440), (3910, 5376), (4080, 5152), (4352, 4830), (4416, 4760), (4480, 4692)]