491307840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5503}}^1$

素因数の和:5557

約数の個数: 168

約数和(自身を含む): 1744723968

約数和(自身を除く): 1253416128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5503, 5580, 5952, 7440, 8928, 9920, 11006, 11160, 14880, 16509, 17856, 22012, 22320, 27515, 29760, 33018, 44024, 44640, 49527, 55030, 66036, 82545, 88048, 89280, 99054, 110060, 132072, 165090, 170593, 176096, 198108, 220120, 247635, 264144, 330180, 341186, 352192, 396216, 440240, 495270, 511779, 528288, 660360, 682372, 792432, 852965, 880480, 990540, 1023558, 1056576, 1320720, 1364744, 1535337, 1584864, 1705930, 1760960, 1981080, 2047116, 2558895, 2641440, 2729488, 3070674, 3169728, 3411860, 3962160, 4094232, 5117790, 5282880, 5458976, 6141348, 6823720, 7676685, 7924320, 8188464, 10235580, 10917952, 12282696, 13647440, 15353370, 15848640, 16376928, 20471160, 24565392, 27294880, 30706740, 32753856, 40942320, 49130784, 54589760, 61413480, 81884640, 98261568, 122826960, 163769280, 245653920, 491307840]

約数ペア:

[(1, 491307840), (2, 245653920), (3, 163769280), (4, 122826960), (5, 98261568), (6, 81884640), (8, 61413480), (9, 54589760), (10, 49130784), (12, 40942320), (15, 32753856), (16, 30706740), (18, 27294880), (20, 24565392), (24, 20471160), (30, 16376928), (31, 15848640), (32, 15353370), (36, 13647440), (40, 12282696), (45, 10917952), (48, 10235580), (60, 8188464), (62, 7924320), (64, 7676685), (72, 6823720), (80, 6141348), (90, 5458976), (93, 5282880), (96, 5117790), (120, 4094232), (124, 3962160), (144, 3411860), (155, 3169728), (160, 3070674), (180, 2729488), (186, 2641440), (192, 2558895), (240, 2047116), (248, 1981080), (279, 1760960), (288, 1705930), (310, 1584864), (320, 1535337), (360, 1364744), (372, 1320720), (465, 1056576), (480, 1023558), (496, 990540), (558, 880480), (576, 852965), (620, 792432), (720, 682372), (744, 660360), (930, 528288), (960, 511779), (992, 495270), (1116, 440240), (1240, 396216), (1395, 352192), (1440, 341186), (1488, 330180), (1860, 264144), (1984, 247635), (2232, 220120), (2480, 198108), (2790, 176096), (2880, 170593), (2976, 165090), (3720, 132072), (4464, 110060), (4960, 99054), (5503, 89280), (5580, 88048), (5952, 82545), (7440, 66036), (8928, 55030), (9920, 49527), (11006, 44640), (11160, 44024), (14880, 33018), (16509, 29760), (17856, 27515), (22012, 22320)]