258810090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:828

約数の個数: 128

約数和(自身を含む): 779950080

約数和(自身を除く): 521139990

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 181, 210, 231, 330, 362, 385, 462, 543, 619, 770, 905, 1086, 1155, 1238, 1267, 1810, 1857, 1991, 2310, 2534, 2715, 3095, 3714, 3801, 3982, 4333, 5430, 5973, 6190, 6335, 6809, 7602, 8666, 9285, 9955, 11946, 12670, 12999, 13618, 13937, 18570, 19005, 19910, 20427, 21665, 25998, 27874, 29865, 34045, 38010, 40854, 41811, 43330, 47663, 59730, 64995, 68090, 69685, 83622, 95326, 102135, 112039, 129990, 139370, 142989, 204270, 209055, 224078, 238315, 285978, 336117, 418110, 476630, 560195, 672234, 714945, 784273, 1120390, 1232429, 1429890, 1568546, 1680585, 2352819, 2464858, 3361170, 3697287, 3921365, 4705638, 6162145, 7394574, 7842730, 8627003, 11764095, 12324290, 17254006, 18486435, 23528190, 25881009, 36972870, 43135015, 51762018, 86270030, 129405045, 258810090]

約数ペア:

[(1, 258810090), (2, 129405045), (3, 86270030), (5, 51762018), (6, 43135015), (7, 36972870), (10, 25881009), (11, 23528190), (14, 18486435), (15, 17254006), (21, 12324290), (22, 11764095), (30, 8627003), (33, 7842730), (35, 7394574), (42, 6162145), (55, 4705638), (66, 3921365), (70, 3697287), (77, 3361170), (105, 2464858), (110, 2352819), (154, 1680585), (165, 1568546), (181, 1429890), (210, 1232429), (231, 1120390), (330, 784273), (362, 714945), (385, 672234), (462, 560195), (543, 476630), (619, 418110), (770, 336117), (905, 285978), (1086, 238315), (1155, 224078), (1238, 209055), (1267, 204270), (1810, 142989), (1857, 139370), (1991, 129990), (2310, 112039), (2534, 102135), (2715, 95326), (3095, 83622), (3714, 69685), (3801, 68090), (3982, 64995), (4333, 59730), (5430, 47663), (5973, 43330), (6190, 41811), (6335, 40854), (6809, 38010), (7602, 34045), (8666, 29865), (9285, 27874), (9955, 25998), (11946, 21665), (12670, 20427), (12999, 19910), (13618, 19005), (13937, 18570)]