131375520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 484323840

約数和(自身を除く): 352948320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 109, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 218, 240, 243, 248, 270, 279, 288, 310, 324, 327, 360, 372, 405, 432, 436, 465, 480, 486, 496, 540, 545, 558, 620, 648, 654, 720, 744, 810, 837, 864, 872, 930, 972, 981, 992, 1080, 1090, 1116, 1215, 1240, 1296, 1308, 1395, 1440, 1488, 1620, 1635, 1674, 1744, 1860, 1944, 1962, 2160, 2180, 2232, 2430, 2480, 2511, 2592, 2616, 2790, 2943, 2976, 3240, 3270, 3348, 3379, 3488, 3720, 3888, 3924, 4185, 4320, 4360, 4464, 4860, 4905, 4960, 5022, 5232, 5580, 5886, 6480, 6540, 6696, 6758, 7440, 7533, 7776, 7848, 8370, 8720, 8829, 8928, 9720, 9810, 10044, 10137, 10464, 11160, 11772, 12555, 12960, 13080, 13392, 13516, 14715, 14880, 15066, 15696, 16740, 16895, 17440, 17658, 19440, 19620, 20088, 20274, 22320, 23544, 25110, 26160, 26487, 26784, 27032, 29430, 30132, 30411, 31392, 33480, 33790, 35316, 37665, 38880, 39240, 40176, 40548, 44145, 44640, 47088, 50220, 50685, 52320, 52974, 54064, 58860, 60264, 60822, 66960, 67580, 70632, 75330, 78480, 80352, 81096, 88290, 91233, 94176, 100440, 101370, 105948, 108128, 117720, 120528, 121644, 132435, 133920, 135160, 141264, 150660, 152055, 156960, 162192, 176580, 182466, 200880, 202740, 211896, 235440, 241056, 243288, 264870, 270320, 273699, 282528, 301320, 304110, 324384, 353160, 364932, 401760, 405480, 423792, 456165, 470880, 486576, 529740, 540640, 547398, 602640, 608220, 706320, 729864, 810960, 821097, 847584, 912330, 973152, 1059480, 1094796, 1205280, 1216440, 1368495, 1412640, 1459728, 1621920, 1642194, 1824660, 2118960, 2189592, 2432880, 2736990, 2919456, 3284388, 3649320, 4105485, 4237920, 4379184, 4865760, 5473980, 6568776, 7298640, 8210970, 8758368, 10947960, 13137552, 14597280, 16421940, 21895920, 26275104, 32843880, 43791840, 65687760, 131375520]

約数ペア:

[(1, 131375520), (2, 65687760), (3, 43791840), (4, 32843880), (5, 26275104), (6, 21895920), (8, 16421940), (9, 14597280), (10, 13137552), (12, 10947960), (15, 8758368), (16, 8210970), (18, 7298640), (20, 6568776), (24, 5473980), (27, 4865760), (30, 4379184), (31, 4237920), (32, 4105485), (36, 3649320), (40, 3284388), (45, 2919456), (48, 2736990), (54, 2432880), (60, 2189592), (62, 2118960), (72, 1824660), (80, 1642194), (81, 1621920), (90, 1459728), (93, 1412640), (96, 1368495), (108, 1216440), (109, 1205280), (120, 1094796), (124, 1059480), (135, 973152), (144, 912330), (155, 847584), (160, 821097), (162, 810960), (180, 729864), (186, 706320), (216, 608220), (218, 602640), (240, 547398), (243, 540640), (248, 529740), (270, 486576), (279, 470880), (288, 456165), (310, 423792), (324, 405480), (327, 401760), (360, 364932), (372, 353160), (405, 324384), (432, 304110), (436, 301320), (465, 282528), (480, 273699), (486, 270320), (496, 264870), (540, 243288), (545, 241056), (558, 235440), (620, 211896), (648, 202740), (654, 200880), (720, 182466), (744, 176580), (810, 162192), (837, 156960), (864, 152055), (872, 150660), (930, 141264), (972, 135160), (981, 133920), (992, 132435), (1080, 121644), (1090, 120528), (1116, 117720), (1215, 108128), (1240, 105948), (1296, 101370), (1308, 100440), (1395, 94176), (1440, 91233), (1488, 88290), (1620, 81096), (1635, 80352), (1674, 78480), (1744, 75330), (1860, 70632), (1944, 67580), (1962, 66960), (2160, 60822), (2180, 60264), (2232, 58860), (2430, 54064), (2480, 52974), (2511, 52320), (2592, 50685), (2616, 50220), (2790, 47088), (2943, 44640), (2976, 44145), (3240, 40548), (3270, 40176), (3348, 39240), (3379, 38880), (3488, 37665), (3720, 35316), (3888, 33790), (3924, 33480), (4185, 31392), (4320, 30411), (4360, 30132), (4464, 29430), (4860, 27032), (4905, 26784), (4960, 26487), (5022, 26160), (5232, 25110), (5580, 23544), (5886, 22320), (6480, 20274), (6540, 20088), (6696, 19620), (6758, 19440), (7440, 17658), (7533, 17440), (7776, 16895), (7848, 16740), (8370, 15696), (8720, 15066), (8829, 14880), (8928, 14715), (9720, 13516), (9810, 13392), (10044, 13080), (10137, 12960), (10464, 12555), (11160, 11772)]