681281280

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{6571}}^1$

素因数の和:6604

約数の個数: 180

約数和(自身を含む): 2438119992

約数和(自身を除く): 1756838712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 4320, 5184, 5760, 6480, 6571, 6912, 8640, 10368, 11520, 12960, 13142, 17280, 19713, 20736, 25920, 26284, 32855, 34560, 39426, 51840, 52568, 59139, 65710, 78852, 98565, 103680, 105136, 118278, 131420, 157704, 177417, 197130, 210272, 236556, 262840, 295695, 315408, 354834, 394260, 420544, 473112, 525680, 532251, 591390, 630816, 709668, 788520, 841088, 887085, 946224, 1051360, 1064502, 1182780, 1261632, 1419336, 1577040, 1682176, 1774170, 1892448, 2102720, 2129004, 2365560, 2523264, 2661255, 2838672, 3154080, 3548340, 3784896, 4205440, 4258008, 4731120, 5046528, 5322510, 5677344, 6308160, 7096680, 7569792, 8410880, 8516016, 9462240, 10645020, 11354688, 12616320, 14193360, 15139584, 17032032, 18924480, 21290040, 22709376, 25232640, 28386720, 34064064, 37848960, 42580080, 45418752, 56773440, 68128128, 75697920, 85160160, 113546880, 136256256, 170320320, 227093760, 340640640, 681281280]

約数ペア:

[(1, 681281280), (2, 340640640), (3, 227093760), (4, 170320320), (5, 136256256), (6, 113546880), (8, 85160160), (9, 75697920), (10, 68128128), (12, 56773440), (15, 45418752), (16, 42580080), (18, 37848960), (20, 34064064), (24, 28386720), (27, 25232640), (30, 22709376), (32, 21290040), (36, 18924480), (40, 17032032), (45, 15139584), (48, 14193360), (54, 12616320), (60, 11354688), (64, 10645020), (72, 9462240), (80, 8516016), (81, 8410880), (90, 7569792), (96, 7096680), (108, 6308160), (120, 5677344), (128, 5322510), (135, 5046528), (144, 4731120), (160, 4258008), (162, 4205440), (180, 3784896), (192, 3548340), (216, 3154080), (240, 2838672), (256, 2661255), (270, 2523264), (288, 2365560), (320, 2129004), (324, 2102720), (360, 1892448), (384, 1774170), (405, 1682176), (432, 1577040), (480, 1419336), (540, 1261632), (576, 1182780), (640, 1064502), (648, 1051360), (720, 946224), (768, 887085), (810, 841088), (864, 788520), (960, 709668), (1080, 630816), (1152, 591390), (1280, 532251), (1296, 525680), (1440, 473112), (1620, 420544), (1728, 394260), (1920, 354834), (2160, 315408), (2304, 295695), (2592, 262840), (2880, 236556), (3240, 210272), (3456, 197130), (3840, 177417), (4320, 157704), (5184, 131420), (5760, 118278), (6480, 105136), (6571, 103680), (6912, 98565), (8640, 78852), (10368, 65710), (11520, 59139), (12960, 52568), (13142, 51840), (17280, 39426), (19713, 34560), (20736, 32855), (25920, 26284)]