321431040

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2029

約数の個数: 240

約数和(自身を含む): 1272873888

約数和(自身を除く): 951442848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 1993, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 3986, 4032, 4480, 4608, 5040, 5376, 5760, 5979, 6720, 7680, 7972, 8064, 8960, 9965, 10080, 10752, 11520, 11958, 13440, 13951, 15944, 16128, 17920, 17937, 19930, 20160, 23040, 23916, 26880, 27902, 29895, 31888, 32256, 35874, 39860, 40320, 41853, 47832, 53760, 55804, 59790, 63776, 69755, 71748, 79720, 80640, 83706, 89685, 95664, 111608, 119580, 125559, 127552, 139510, 143496, 159440, 161280, 167412, 179370, 191328, 209265, 223216, 239160, 251118, 255104, 279020, 286992, 318880, 334824, 358740, 382656, 418530, 446432, 478320, 502236, 510208, 558040, 573984, 627795, 637760, 669648, 717480, 765312, 837060, 892864, 956640, 1004472, 1020416, 1116080, 1147968, 1255590, 1275520, 1339296, 1434960, 1530624, 1674120, 1785728, 1913280, 2008944, 2232160, 2295936, 2511180, 2551040, 2678592, 2869920, 3061248, 3348240, 3571456, 3826560, 4017888, 4464320, 4591872, 5022360, 5102080, 5357184, 5739840, 6696480, 7142912, 7653120, 8035776, 8928640, 9183744, 10044720, 10714368, 11479680, 13392960, 15306240, 16071552, 17857280, 20089440, 21428736, 22959360, 26785920, 32143104, 35714560, 40178880, 45918720, 53571840, 64286208, 80357760, 107143680, 160715520, 321431040]

約数ペア:

[(1, 321431040), (2, 160715520), (3, 107143680), (4, 80357760), (5, 64286208), (6, 53571840), (7, 45918720), (8, 40178880), (9, 35714560), (10, 32143104), (12, 26785920), (14, 22959360), (15, 21428736), (16, 20089440), (18, 17857280), (20, 16071552), (21, 15306240), (24, 13392960), (28, 11479680), (30, 10714368), (32, 10044720), (35, 9183744), (36, 8928640), (40, 8035776), (42, 7653120), (45, 7142912), (48, 6696480), (56, 5739840), (60, 5357184), (63, 5102080), (64, 5022360), (70, 4591872), (72, 4464320), (80, 4017888), (84, 3826560), (90, 3571456), (96, 3348240), (105, 3061248), (112, 2869920), (120, 2678592), (126, 2551040), (128, 2511180), (140, 2295936), (144, 2232160), (160, 2008944), (168, 1913280), (180, 1785728), (192, 1674120), (210, 1530624), (224, 1434960), (240, 1339296), (252, 1275520), (256, 1255590), (280, 1147968), (288, 1116080), (315, 1020416), (320, 1004472), (336, 956640), (360, 892864), (384, 837060), (420, 765312), (448, 717480), (480, 669648), (504, 637760), (512, 627795), (560, 573984), (576, 558040), (630, 510208), (640, 502236), (672, 478320), (720, 446432), (768, 418530), (840, 382656), (896, 358740), (960, 334824), (1008, 318880), (1120, 286992), (1152, 279020), (1260, 255104), (1280, 251118), (1344, 239160), (1440, 223216), (1536, 209265), (1680, 191328), (1792, 179370), (1920, 167412), (1993, 161280), (2016, 159440), (2240, 143496), (2304, 139510), (2520, 127552), (2560, 125559), (2688, 119580), (2880, 111608), (3360, 95664), (3584, 89685), (3840, 83706), (3986, 80640), (4032, 79720), (4480, 71748), (4608, 69755), (5040, 63776), (5376, 59790), (5760, 55804), (5979, 53760), (6720, 47832), (7680, 41853), (7972, 40320), (8064, 39860), (8960, 35874), (9965, 32256), (10080, 31888), (10752, 29895), (11520, 27902), (11958, 26880), (13440, 23916), (13951, 23040), (15944, 20160), (16128, 19930), (17920, 17937)]