21850648960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2285

約数の個数: 256

約数和(自身を含む): 62346545280

約数和(自身を除く): 40495896320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 61, 64, 70, 74, 80, 112, 122, 128, 140, 148, 160, 185, 224, 244, 259, 280, 296, 305, 320, 370, 427, 448, 488, 518, 560, 592, 610, 640, 740, 854, 896, 976, 1036, 1120, 1184, 1220, 1295, 1480, 1708, 1952, 2072, 2135, 2161, 2240, 2257, 2368, 2440, 2590, 2960, 3416, 3904, 4144, 4270, 4322, 4480, 4514, 4736, 4880, 5180, 5920, 6832, 7808, 8288, 8540, 8644, 9028, 9760, 10360, 10805, 11285, 11840, 13664, 15127, 15799, 16576, 17080, 17288, 18056, 19520, 20720, 21610, 22570, 23680, 27328, 30254, 31598, 33152, 34160, 34576, 36112, 39040, 41440, 43220, 45140, 54656, 60508, 63196, 68320, 69152, 72224, 75635, 78995, 79957, 82880, 86440, 90280, 121016, 126392, 131821, 136640, 138304, 144448, 151270, 157990, 159914, 165760, 172880, 180560, 242032, 252784, 263642, 273280, 276608, 288896, 302540, 315980, 319828, 345760, 361120, 399785, 484064, 505568, 527284, 559699, 605080, 631960, 639656, 659105, 691520, 722240, 799570, 922747, 968128, 1011136, 1054568, 1119398, 1210160, 1263920, 1279312, 1318210, 1383040, 1444480, 1599140, 1845494, 1936256, 2022272, 2109136, 2238796, 2420320, 2527840, 2558624, 2636420, 2798495, 3198280, 3690988, 4218272, 4477592, 4613735, 4840640, 4877377, 5055680, 5117248, 5272840, 5596990, 6396560, 7381976, 8436544, 8955184, 9227470, 9681280, 9754754, 10111360, 10234496, 10545680, 11193980, 12793120, 14763952, 16873088, 17910368, 18454940, 19509508, 21091360, 22387960, 24386885, 25586240, 29527904, 34141639, 35820736, 36909880, 39019016, 42182720, 44775920, 48773770, 51172480, 59055808, 68283278, 71641472, 73819760, 78038032, 84365440, 89551840, 97547540, 118111616, 136566556, 147639520, 156076064, 170708195, 179103680, 195095080, 273133112, 295279040, 312152128, 341416390, 358207360, 390190160, 546266224, 590558080, 624304256, 682832780, 780380320, 1092532448, 1365665560, 1560760640, 2185064896, 2731331120, 3121521280, 4370129792, 5462662240, 10925324480, 21850648960]

約数ペア:

[(1, 21850648960), (2, 10925324480), (4, 5462662240), (5, 4370129792), (7, 3121521280), (8, 2731331120), (10, 2185064896), (14, 1560760640), (16, 1365665560), (20, 1092532448), (28, 780380320), (32, 682832780), (35, 624304256), (37, 590558080), (40, 546266224), (56, 390190160), (61, 358207360), (64, 341416390), (70, 312152128), (74, 295279040), (80, 273133112), (112, 195095080), (122, 179103680), (128, 170708195), (140, 156076064), (148, 147639520), (160, 136566556), (185, 118111616), (224, 97547540), (244, 89551840), (259, 84365440), (280, 78038032), (296, 73819760), (305, 71641472), (320, 68283278), (370, 59055808), (427, 51172480), (448, 48773770), (488, 44775920), (518, 42182720), (560, 39019016), (592, 36909880), (610, 35820736), (640, 34141639), (740, 29527904), (854, 25586240), (896, 24386885), (976, 22387960), (1036, 21091360), (1120, 19509508), (1184, 18454940), (1220, 17910368), (1295, 16873088), (1480, 14763952), (1708, 12793120), (1952, 11193980), (2072, 10545680), (2135, 10234496), (2161, 10111360), (2240, 9754754), (2257, 9681280), (2368, 9227470), (2440, 8955184), (2590, 8436544), (2960, 7381976), (3416, 6396560), (3904, 5596990), (4144, 5272840), (4270, 5117248), (4322, 5055680), (4480, 4877377), (4514, 4840640), (4736, 4613735), (4880, 4477592), (5180, 4218272), (5920, 3690988), (6832, 3198280), (7808, 2798495), (8288, 2636420), (8540, 2558624), (8644, 2527840), (9028, 2420320), (9760, 2238796), (10360, 2109136), (10805, 2022272), (11285, 1936256), (11840, 1845494), (13664, 1599140), (15127, 1444480), (15799, 1383040), (16576, 1318210), (17080, 1279312), (17288, 1263920), (18056, 1210160), (19520, 1119398), (20720, 1054568), (21610, 1011136), (22570, 968128), (23680, 922747), (27328, 799570), (30254, 722240), (31598, 691520), (33152, 659105), (34160, 639656), (34576, 631960), (36112, 605080), (39040, 559699), (41440, 527284), (43220, 505568), (45140, 484064), (54656, 399785), (60508, 361120), (63196, 345760), (68320, 319828), (69152, 315980), (72224, 302540), (75635, 288896), (78995, 276608), (79957, 273280), (82880, 263642), (86440, 252784), (90280, 242032), (121016, 180560), (126392, 172880), (131821, 165760), (136640, 159914), (138304, 157990), (144448, 151270)]