128987280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5779}}^1$

素因数の和:5829

約数の個数: 120

約数和(自身を含む): 447233280

約数和(自身を除く): 318246000

約数列:

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

約数ペア:

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