261981000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 256

約数和(自身を含む): 940492800

約数和(自身を除く): 678511800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 50, 54, 60, 62, 72, 75, 90, 93, 100, 108, 120, 124, 125, 135, 150, 155, 180, 186, 200, 216, 225, 248, 250, 270, 279, 300, 310, 313, 360, 372, 375, 450, 465, 500, 540, 558, 600, 620, 626, 675, 744, 750, 775, 837, 900, 930, 939, 1000, 1080, 1116, 1125, 1240, 1252, 1350, 1395, 1500, 1550, 1565, 1674, 1800, 1860, 1878, 2232, 2250, 2325, 2504, 2700, 2790, 2817, 3000, 3100, 3130, 3348, 3375, 3720, 3756, 3875, 4185, 4500, 4650, 4695, 5400, 5580, 5634, 6200, 6260, 6696, 6750, 6975, 7512, 7750, 7825, 8370, 8451, 9000, 9300, 9390, 9703, 11160, 11268, 11625, 12520, 13500, 13950, 14085, 15500, 15650, 16740, 16902, 18600, 18780, 19406, 20925, 22536, 23250, 23475, 27000, 27900, 28170, 29109, 31000, 31300, 33480, 33804, 34875, 37560, 38812, 39125, 41850, 42255, 46500, 46950, 48515, 55800, 56340, 58218, 62600, 67608, 69750, 70425, 77624, 78250, 83700, 84510, 87327, 93000, 93900, 97030, 104625, 112680, 116436, 117375, 139500, 140850, 145545, 156500, 167400, 169020, 174654, 187800, 194060, 209250, 211275, 232872, 234750, 242575, 261981, 279000, 281700, 291090, 313000, 338040, 349308, 352125, 388120, 418500, 422550, 436635, 469500, 485150, 523962, 563400, 582180, 698616, 704250, 727725, 837000, 845100, 873270, 939000, 970300, 1047924, 1056375, 1164360, 1212875, 1309905, 1408500, 1455450, 1690200, 1746540, 1940600, 2095848, 2112750, 2183175, 2425750, 2619810, 2817000, 2910900, 3493080, 3638625, 4225500, 4366350, 4851500, 5239620, 5821800, 6549525, 7277250, 8451000, 8732700, 9703000, 10479240, 10915875, 13099050, 14554500, 17465400, 21831750, 26198100, 29109000, 32747625, 43663500, 52396200, 65495250, 87327000, 130990500, 261981000]

約数ペア:

[(1, 261981000), (2, 130990500), (3, 87327000), (4, 65495250), (5, 52396200), (6, 43663500), (8, 32747625), (9, 29109000), (10, 26198100), (12, 21831750), (15, 17465400), (18, 14554500), (20, 13099050), (24, 10915875), (25, 10479240), (27, 9703000), (30, 8732700), (31, 8451000), (36, 7277250), (40, 6549525), (45, 5821800), (50, 5239620), (54, 4851500), (60, 4366350), (62, 4225500), (72, 3638625), (75, 3493080), (90, 2910900), (93, 2817000), (100, 2619810), (108, 2425750), (120, 2183175), (124, 2112750), (125, 2095848), (135, 1940600), (150, 1746540), (155, 1690200), (180, 1455450), (186, 1408500), (200, 1309905), (216, 1212875), (225, 1164360), (248, 1056375), (250, 1047924), (270, 970300), (279, 939000), (300, 873270), (310, 845100), (313, 837000), (360, 727725), (372, 704250), (375, 698616), (450, 582180), (465, 563400), (500, 523962), (540, 485150), (558, 469500), (600, 436635), (620, 422550), (626, 418500), (675, 388120), (744, 352125), (750, 349308), (775, 338040), (837, 313000), (900, 291090), (930, 281700), (939, 279000), (1000, 261981), (1080, 242575), (1116, 234750), (1125, 232872), (1240, 211275), (1252, 209250), (1350, 194060), (1395, 187800), (1500, 174654), (1550, 169020), (1565, 167400), (1674, 156500), (1800, 145545), (1860, 140850), (1878, 139500), (2232, 117375), (2250, 116436), (2325, 112680), (2504, 104625), (2700, 97030), (2790, 93900), (2817, 93000), (3000, 87327), (3100, 84510), (3130, 83700), (3348, 78250), (3375, 77624), (3720, 70425), (3756, 69750), (3875, 67608), (4185, 62600), (4500, 58218), (4650, 56340), (4695, 55800), (5400, 48515), (5580, 46950), (5634, 46500), (6200, 42255), (6260, 41850), (6696, 39125), (6750, 38812), (6975, 37560), (7512, 34875), (7750, 33804), (7825, 33480), (8370, 31300), (8451, 31000), (9000, 29109), (9300, 28170), (9390, 27900), (9703, 27000), (11160, 23475), (11268, 23250), (11625, 22536), (12520, 20925), (13500, 19406), (13950, 18780), (14085, 18600), (15500, 16902), (15650, 16740)]