1221983840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 288

約数和(自身を含む): 3706601472

約数和(自身を除く): 2484617632

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 121, 127, 140, 142, 154, 160, 176, 220, 224, 242, 254, 280, 284, 308, 352, 355, 385, 440, 484, 497, 508, 560, 568, 605, 616, 635, 710, 770, 781, 847, 880, 889, 968, 994, 1016, 1120, 1136, 1210, 1232, 1270, 1397, 1420, 1540, 1562, 1694, 1760, 1778, 1936, 1988, 2032, 2272, 2420, 2464, 2485, 2540, 2794, 2840, 3080, 3124, 3388, 3556, 3872, 3905, 3976, 4064, 4235, 4445, 4840, 4970, 5080, 5467, 5588, 5680, 6160, 6248, 6776, 6985, 7112, 7810, 7952, 8470, 8591, 8890, 9017, 9680, 9779, 9940, 10160, 10934, 11176, 11360, 12320, 12496, 13552, 13970, 14224, 15367, 15620, 15904, 16940, 17182, 17780, 18034, 19360, 19558, 19880, 20320, 21868, 22352, 24992, 27104, 27335, 27940, 28448, 30734, 31240, 33880, 34364, 35560, 36068, 39116, 39760, 42955, 43736, 44704, 45085, 48895, 54670, 55880, 60137, 61468, 62480, 63119, 67760, 68728, 71120, 72136, 76835, 78232, 79520, 85910, 87472, 90170, 97790, 99187, 107569, 109340, 111760, 120274, 122936, 124960, 126238, 135520, 137456, 142240, 144272, 153670, 156464, 171820, 174944, 180340, 195580, 198374, 215138, 218680, 223520, 240548, 245872, 252476, 274912, 288544, 300685, 307340, 312928, 315595, 343640, 360680, 391160, 396748, 430276, 437360, 481096, 491744, 495935, 504952, 537845, 601370, 614680, 631190, 687280, 694309, 721360, 782320, 793496, 860552, 874720, 962192, 991870, 1009904, 1075690, 1091057, 1202740, 1229360, 1262380, 1374560, 1388618, 1442720, 1564640, 1586992, 1721104, 1924384, 1983740, 2019808, 2151380, 2182114, 2405480, 2458720, 2524760, 2777236, 3173984, 3442208, 3471545, 3967480, 4302760, 4364228, 4810960, 5049520, 5455285, 5554472, 6943090, 7637399, 7934960, 8605520, 8728456, 9621920, 10099040, 10910570, 11108944, 13886180, 15274798, 15869920, 17211040, 17456912, 21821140, 22217888, 27772360, 30549596, 34913824, 38186995, 43642280, 55544720, 61099192, 76373990, 87284560, 111089440, 122198384, 152747980, 174569120, 244396768, 305495960, 610991920, 1221983840]

約数ペア:

[(1, 1221983840), (2, 610991920), (4, 305495960), (5, 244396768), (7, 174569120), (8, 152747980), (10, 122198384), (11, 111089440), (14, 87284560), (16, 76373990), (20, 61099192), (22, 55544720), (28, 43642280), (32, 38186995), (35, 34913824), (40, 30549596), (44, 27772360), (55, 22217888), (56, 21821140), (70, 17456912), (71, 17211040), (77, 15869920), (80, 15274798), (88, 13886180), (110, 11108944), (112, 10910570), (121, 10099040), (127, 9621920), (140, 8728456), (142, 8605520), (154, 7934960), (160, 7637399), (176, 6943090), (220, 5554472), (224, 5455285), (242, 5049520), (254, 4810960), (280, 4364228), (284, 4302760), (308, 3967480), (352, 3471545), (355, 3442208), (385, 3173984), (440, 2777236), (484, 2524760), (497, 2458720), (508, 2405480), (560, 2182114), (568, 2151380), (605, 2019808), (616, 1983740), (635, 1924384), (710, 1721104), (770, 1586992), (781, 1564640), (847, 1442720), (880, 1388618), (889, 1374560), (968, 1262380), (994, 1229360), (1016, 1202740), (1120, 1091057), (1136, 1075690), (1210, 1009904), (1232, 991870), (1270, 962192), (1397, 874720), (1420, 860552), (1540, 793496), (1562, 782320), (1694, 721360), (1760, 694309), (1778, 687280), (1936, 631190), (1988, 614680), (2032, 601370), (2272, 537845), (2420, 504952), (2464, 495935), (2485, 491744), (2540, 481096), (2794, 437360), (2840, 430276), (3080, 396748), (3124, 391160), (3388, 360680), (3556, 343640), (3872, 315595), (3905, 312928), (3976, 307340), (4064, 300685), (4235, 288544), (4445, 274912), (4840, 252476), (4970, 245872), (5080, 240548), (5467, 223520), (5588, 218680), (5680, 215138), (6160, 198374), (6248, 195580), (6776, 180340), (6985, 174944), (7112, 171820), (7810, 156464), (7952, 153670), (8470, 144272), (8591, 142240), (8890, 137456), (9017, 135520), (9680, 126238), (9779, 124960), (9940, 122936), (10160, 120274), (10934, 111760), (11176, 109340), (11360, 107569), (12320, 99187), (12496, 97790), (13552, 90170), (13970, 87472), (14224, 85910), (15367, 79520), (15620, 78232), (15904, 76835), (16940, 72136), (17182, 71120), (17780, 68728), (18034, 67760), (19360, 63119), (19558, 62480), (19880, 61468), (20320, 60137), (21868, 55880), (22352, 54670), (24992, 48895), (27104, 45085), (27335, 44704), (27940, 43736), (28448, 42955), (30734, 39760), (31240, 39116), (33880, 36068), (34364, 35560)]