1920260320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 5100060672

約数和(自身を除く): 3179800352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 121, 127, 142, 160, 176, 220, 242, 254, 284, 352, 355, 440, 484, 508, 568, 605, 635, 710, 781, 880, 968, 1016, 1136, 1210, 1270, 1331, 1397, 1420, 1562, 1760, 1936, 2032, 2272, 2420, 2540, 2662, 2794, 2840, 3124, 3872, 3905, 4064, 4840, 5080, 5324, 5588, 5680, 6248, 6655, 6985, 7810, 8591, 9017, 9680, 10160, 10648, 11176, 11360, 12496, 13310, 13970, 15367, 15620, 17182, 18034, 19360, 20320, 21296, 22352, 24992, 26620, 27940, 30734, 31240, 34364, 36068, 42592, 42955, 44704, 45085, 53240, 55880, 61468, 62480, 68728, 72136, 76835, 85910, 90170, 94501, 99187, 106480, 111760, 122936, 124960, 137456, 144272, 153670, 169037, 171820, 180340, 189002, 198374, 212960, 223520, 245872, 274912, 288544, 307340, 338074, 343640, 360680, 378004, 396748, 472505, 491744, 495935, 614680, 676148, 687280, 721360, 756008, 793496, 845185, 945010, 991870, 1091057, 1229360, 1352296, 1374560, 1442720, 1512016, 1586992, 1690370, 1890020, 1983740, 2182114, 2458720, 2704592, 3024032, 3173984, 3380740, 3780040, 3967480, 4364228, 5409184, 5455285, 6761480, 7560080, 7934960, 8728456, 10910570, 12001627, 13522960, 15120160, 15869920, 17456912, 21821140, 24003254, 27045920, 34913824, 43642280, 48006508, 60008135, 87284560, 96013016, 120016270, 174569120, 192026032, 240032540, 384052064, 480065080, 960130160, 1920260320]

約数ペア:

[(1, 1920260320), (2, 960130160), (4, 480065080), (5, 384052064), (8, 240032540), (10, 192026032), (11, 174569120), (16, 120016270), (20, 96013016), (22, 87284560), (32, 60008135), (40, 48006508), (44, 43642280), (55, 34913824), (71, 27045920), (80, 24003254), (88, 21821140), (110, 17456912), (121, 15869920), (127, 15120160), (142, 13522960), (160, 12001627), (176, 10910570), (220, 8728456), (242, 7934960), (254, 7560080), (284, 6761480), (352, 5455285), (355, 5409184), (440, 4364228), (484, 3967480), (508, 3780040), (568, 3380740), (605, 3173984), (635, 3024032), (710, 2704592), (781, 2458720), (880, 2182114), (968, 1983740), (1016, 1890020), (1136, 1690370), (1210, 1586992), (1270, 1512016), (1331, 1442720), (1397, 1374560), (1420, 1352296), (1562, 1229360), (1760, 1091057), (1936, 991870), (2032, 945010), (2272, 845185), (2420, 793496), (2540, 756008), (2662, 721360), (2794, 687280), (2840, 676148), (3124, 614680), (3872, 495935), (3905, 491744), (4064, 472505), (4840, 396748), (5080, 378004), (5324, 360680), (5588, 343640), (5680, 338074), (6248, 307340), (6655, 288544), (6985, 274912), (7810, 245872), (8591, 223520), (9017, 212960), (9680, 198374), (10160, 189002), (10648, 180340), (11176, 171820), (11360, 169037), (12496, 153670), (13310, 144272), (13970, 137456), (15367, 124960), (15620, 122936), (17182, 111760), (18034, 106480), (19360, 99187), (20320, 94501), (21296, 90170), (22352, 85910), (24992, 76835), (26620, 72136), (27940, 68728), (30734, 62480), (31240, 61468), (34364, 55880), (36068, 53240), (42592, 45085), (42955, 44704)]