821892120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2239}}^1$

素因数の和:2302

約数の個数: 256

約数和(自身を含む): 3096576000

約数和(自身を除く): 2274683880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 56, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 120, 133, 138, 140, 152, 161, 168, 184, 190, 210, 228, 230, 266, 276, 280, 285, 322, 345, 380, 399, 420, 437, 456, 460, 483, 532, 552, 570, 644, 665, 690, 760, 798, 805, 840, 874, 920, 966, 1064, 1140, 1288, 1311, 1330, 1380, 1596, 1610, 1748, 1932, 1995, 2185, 2239, 2280, 2415, 2622, 2660, 2760, 3059, 3192, 3220, 3496, 3864, 3990, 4370, 4478, 4830, 5244, 5320, 6118, 6440, 6555, 6717, 7980, 8740, 8956, 9177, 9660, 10488, 11195, 12236, 13110, 13434, 15295, 15673, 15960, 17480, 17912, 18354, 19320, 22390, 24472, 26220, 26868, 30590, 31346, 33585, 36708, 42541, 44780, 45885, 47019, 51497, 52440, 53736, 61180, 62692, 67170, 73416, 78365, 85082, 89560, 91770, 94038, 102994, 122360, 125384, 127623, 134340, 154491, 156730, 170164, 183540, 188076, 205988, 212705, 235095, 255246, 257485, 268680, 297787, 308982, 313460, 340328, 360479, 367080, 376152, 411976, 425410, 470190, 510492, 514970, 595574, 617964, 626920, 638115, 720958, 772455, 850820, 893361, 940380, 978443, 1020984, 1029940, 1081437, 1191148, 1235928, 1276230, 1441916, 1488935, 1544910, 1701640, 1786722, 1802395, 1880760, 1956886, 2059880, 2162874, 2382296, 2552460, 2883832, 2935329, 2977870, 3089820, 3573444, 3604790, 3913772, 4325748, 4466805, 4892215, 5104920, 5407185, 5870658, 5955740, 6179640, 6849101, 7146888, 7209580, 7827544, 8651496, 8933610, 9784430, 10814370, 11741316, 11911480, 13698202, 14419160, 14676645, 17867220, 19568860, 20547303, 21628740, 23482632, 27396404, 29353290, 34245505, 35734440, 39137720, 41094606, 43257480, 54792808, 58706580, 68491010, 82189212, 102736515, 117413160, 136982020, 164378424, 205473030, 273964040, 410946060, 821892120]

約数ペア:

[(1, 821892120), (2, 410946060), (3, 273964040), (4, 205473030), (5, 164378424), (6, 136982020), (7, 117413160), (8, 102736515), (10, 82189212), (12, 68491010), (14, 58706580), (15, 54792808), (19, 43257480), (20, 41094606), (21, 39137720), (23, 35734440), (24, 34245505), (28, 29353290), (30, 27396404), (35, 23482632), (38, 21628740), (40, 20547303), (42, 19568860), (46, 17867220), (56, 14676645), (57, 14419160), (60, 13698202), (69, 11911480), (70, 11741316), (76, 10814370), (84, 9784430), (92, 8933610), (95, 8651496), (105, 7827544), (114, 7209580), (115, 7146888), (120, 6849101), (133, 6179640), (138, 5955740), (140, 5870658), (152, 5407185), (161, 5104920), (168, 4892215), (184, 4466805), (190, 4325748), (210, 3913772), (228, 3604790), (230, 3573444), (266, 3089820), (276, 2977870), (280, 2935329), (285, 2883832), (322, 2552460), (345, 2382296), (380, 2162874), (399, 2059880), (420, 1956886), (437, 1880760), (456, 1802395), (460, 1786722), (483, 1701640), (532, 1544910), (552, 1488935), (570, 1441916), (644, 1276230), (665, 1235928), (690, 1191148), (760, 1081437), (798, 1029940), (805, 1020984), (840, 978443), (874, 940380), (920, 893361), (966, 850820), (1064, 772455), (1140, 720958), (1288, 638115), (1311, 626920), (1330, 617964), (1380, 595574), (1596, 514970), (1610, 510492), (1748, 470190), (1932, 425410), (1995, 411976), (2185, 376152), (2239, 367080), (2280, 360479), (2415, 340328), (2622, 313460), (2660, 308982), (2760, 297787), (3059, 268680), (3192, 257485), (3220, 255246), (3496, 235095), (3864, 212705), (3990, 205988), (4370, 188076), (4478, 183540), (4830, 170164), (5244, 156730), (5320, 154491), (6118, 134340), (6440, 127623), (6555, 125384), (6717, 122360), (7980, 102994), (8740, 94038), (8956, 91770), (9177, 89560), (9660, 85082), (10488, 78365), (11195, 73416), (12236, 67170), (13110, 62692), (13434, 61180), (15295, 53736), (15673, 52440), (15960, 51497), (17480, 47019), (17912, 45885), (18354, 44780), (19320, 42541), (22390, 36708), (24472, 33585), (26220, 31346), (26868, 30590)]