21726720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 240

約数和(自身を含む): 80432352

約数和(自身を除く): 58705632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 41, 45, 46, 48, 60, 64, 69, 72, 80, 82, 90, 92, 96, 115, 120, 123, 128, 138, 144, 160, 164, 180, 184, 192, 205, 207, 230, 240, 246, 256, 276, 288, 320, 328, 345, 360, 368, 369, 384, 410, 414, 460, 480, 492, 512, 552, 576, 615, 640, 656, 690, 720, 736, 738, 768, 820, 828, 920, 943, 960, 984, 1035, 1104, 1152, 1230, 1280, 1312, 1380, 1440, 1472, 1476, 1536, 1640, 1656, 1840, 1845, 1886, 1920, 1968, 2070, 2208, 2304, 2460, 2560, 2624, 2760, 2829, 2880, 2944, 2952, 3280, 3312, 3680, 3690, 3772, 3840, 3936, 4140, 4416, 4608, 4715, 4920, 5248, 5520, 5658, 5760, 5888, 5904, 6560, 6624, 7360, 7380, 7544, 7680, 7872, 8280, 8487, 8832, 9430, 9840, 10496, 11040, 11316, 11520, 11776, 11808, 13120, 13248, 14145, 14720, 14760, 15088, 15744, 16560, 16974, 17664, 18860, 19680, 20992, 22080, 22632, 23040, 23616, 26240, 26496, 28290, 29440, 29520, 30176, 31488, 33120, 33948, 35328, 37720, 39360, 42435, 44160, 45264, 47232, 52480, 52992, 56580, 58880, 59040, 60352, 62976, 66240, 67896, 75440, 78720, 84870, 88320, 90528, 94464, 104960, 105984, 113160, 118080, 120704, 132480, 135792, 150880, 157440, 169740, 176640, 181056, 188928, 226320, 236160, 241408, 264960, 271584, 301760, 314880, 339480, 362112, 452640, 472320, 482816, 529920, 543168, 603520, 678960, 724224, 905280, 944640, 1086336, 1207040, 1357920, 1448448, 1810560, 2172672, 2414080, 2715840, 3621120, 4345344, 5431680, 7242240, 10863360, 21726720]

約数ペア:

[(1, 21726720), (2, 10863360), (3, 7242240), (4, 5431680), (5, 4345344), (6, 3621120), (8, 2715840), (9, 2414080), (10, 2172672), (12, 1810560), (15, 1448448), (16, 1357920), (18, 1207040), (20, 1086336), (23, 944640), (24, 905280), (30, 724224), (32, 678960), (36, 603520), (40, 543168), (41, 529920), (45, 482816), (46, 472320), (48, 452640), (60, 362112), (64, 339480), (69, 314880), (72, 301760), (80, 271584), (82, 264960), (90, 241408), (92, 236160), (96, 226320), (115, 188928), (120, 181056), (123, 176640), (128, 169740), (138, 157440), (144, 150880), (160, 135792), (164, 132480), (180, 120704), (184, 118080), (192, 113160), (205, 105984), (207, 104960), (230, 94464), (240, 90528), (246, 88320), (256, 84870), (276, 78720), (288, 75440), (320, 67896), (328, 66240), (345, 62976), (360, 60352), (368, 59040), (369, 58880), (384, 56580), (410, 52992), (414, 52480), (460, 47232), (480, 45264), (492, 44160), (512, 42435), (552, 39360), (576, 37720), (615, 35328), (640, 33948), (656, 33120), (690, 31488), (720, 30176), (736, 29520), (738, 29440), (768, 28290), (820, 26496), (828, 26240), (920, 23616), (943, 23040), (960, 22632), (984, 22080), (1035, 20992), (1104, 19680), (1152, 18860), (1230, 17664), (1280, 16974), (1312, 16560), (1380, 15744), (1440, 15088), (1472, 14760), (1476, 14720), (1536, 14145), (1640, 13248), (1656, 13120), (1840, 11808), (1845, 11776), (1886, 11520), (1920, 11316), (1968, 11040), (2070, 10496), (2208, 9840), (2304, 9430), (2460, 8832), (2560, 8487), (2624, 8280), (2760, 7872), (2829, 7680), (2880, 7544), (2944, 7380), (2952, 7360), (3280, 6624), (3312, 6560), (3680, 5904), (3690, 5888), (3772, 5760), (3840, 5658), (3936, 5520), (4140, 5248), (4416, 4920), (4608, 4715)]