257974560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5779}}^1$

素因数の和:5831

約数の個数: 144

約数和(自身を含む): 908893440

約数和(自身を除く): 650918880

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, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 5779, 7440, 8928, 11160, 11558, 14880, 17337, 22320, 23116, 28895, 34674, 44640, 46232, 52011, 57790, 69348, 86685, 92464, 104022, 115580, 138696, 173370, 179149, 184928, 208044, 231160, 260055, 277392, 346740, 358298, 416088, 462320, 520110, 537447, 554784, 693480, 716596, 832176, 895745, 924640, 1040220, 1074894, 1386960, 1433192, 1612341, 1664352, 1791490, 2080440, 2149788, 2687235, 2773920, 2866384, 3224682, 3582980, 4160880, 4299576, 5374470, 5732768, 6449364, 7165960, 8061705, 8321760, 8599152, 10748940, 12898728, 14331920, 16123410, 17198304, 21497880, 25797456, 28663840, 32246820, 42995760, 51594912, 64493640, 85991520, 128987280, 257974560]

約数ペア:

[(1, 257974560), (2, 128987280), (3, 85991520), (4, 64493640), (5, 51594912), (6, 42995760), (8, 32246820), (9, 28663840), (10, 25797456), (12, 21497880), (15, 17198304), (16, 16123410), (18, 14331920), (20, 12898728), (24, 10748940), (30, 8599152), (31, 8321760), (32, 8061705), (36, 7165960), (40, 6449364), (45, 5732768), (48, 5374470), (60, 4299576), (62, 4160880), (72, 3582980), (80, 3224682), (90, 2866384), (93, 2773920), (96, 2687235), (120, 2149788), (124, 2080440), (144, 1791490), (155, 1664352), (160, 1612341), (180, 1433192), (186, 1386960), (240, 1074894), (248, 1040220), (279, 924640), (288, 895745), (310, 832176), (360, 716596), (372, 693480), (465, 554784), (480, 537447), (496, 520110), (558, 462320), (620, 416088), (720, 358298), (744, 346740), (930, 277392), (992, 260055), (1116, 231160), (1240, 208044), (1395, 184928), (1440, 179149), (1488, 173370), (1860, 138696), (2232, 115580), (2480, 104022), (2790, 92464), (2976, 86685), (3720, 69348), (4464, 57790), (4960, 52011), (5580, 46232), (5779, 44640), (7440, 34674), (8928, 28895), (11160, 23116), (11558, 22320), (14880, 17337)]