2561381280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4127}}^1$

素因数の和:4579

約数の個数: 144

約数和(自身を含む): 8763116544

約数和(自身を除く): 6201735264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 431, 480, 720, 862, 1293, 1440, 1724, 2155, 2586, 3448, 3879, 4127, 4310, 5172, 6465, 6896, 7758, 8254, 8620, 10344, 12381, 12930, 13792, 15516, 16508, 17240, 19395, 20635, 20688, 24762, 25860, 31032, 33016, 34480, 37143, 38790, 41270, 41376, 49524, 51720, 61905, 62064, 66032, 68960, 74286, 77580, 82540, 99048, 103440, 123810, 124128, 132064, 148572, 155160, 165080, 185715, 198096, 206880, 247620, 297144, 310320, 330160, 371430, 396192, 495240, 594288, 620640, 660320, 742860, 990480, 1188576, 1485720, 1778737, 1980960, 2971440, 3557474, 5336211, 5942880, 7114948, 8893685, 10672422, 14229896, 16008633, 17787370, 21344844, 26681055, 28459792, 32017266, 35574740, 42689688, 53362110, 56919584, 64034532, 71149480, 80043165, 85379376, 106724220, 128069064, 142298960, 160086330, 170758752, 213448440, 256138128, 284597920, 320172660, 426896880, 512276256, 640345320, 853793760, 1280690640, 2561381280]

約数ペア:

[(1, 2561381280), (2, 1280690640), (3, 853793760), (4, 640345320), (5, 512276256), (6, 426896880), (8, 320172660), (9, 284597920), (10, 256138128), (12, 213448440), (15, 170758752), (16, 160086330), (18, 142298960), (20, 128069064), (24, 106724220), (30, 85379376), (32, 80043165), (36, 71149480), (40, 64034532), (45, 56919584), (48, 53362110), (60, 42689688), (72, 35574740), (80, 32017266), (90, 28459792), (96, 26681055), (120, 21344844), (144, 17787370), (160, 16008633), (180, 14229896), (240, 10672422), (288, 8893685), (360, 7114948), (431, 5942880), (480, 5336211), (720, 3557474), (862, 2971440), (1293, 1980960), (1440, 1778737), (1724, 1485720), (2155, 1188576), (2586, 990480), (3448, 742860), (3879, 660320), (4127, 620640), (4310, 594288), (5172, 495240), (6465, 396192), (6896, 371430), (7758, 330160), (8254, 310320), (8620, 297144), (10344, 247620), (12381, 206880), (12930, 198096), (13792, 185715), (15516, 165080), (16508, 155160), (17240, 148572), (19395, 132064), (20635, 124128), (20688, 123810), (24762, 103440), (25860, 99048), (31032, 82540), (33016, 77580), (34480, 74286), (37143, 68960), (38790, 66032), (41270, 62064), (41376, 61905), (49524, 51720)]