51957990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 128

約数和(自身を含む): 162846720

約数和(自身を除く): 110888730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 518, 555, 630, 666, 743, 777, 945, 999, 1110, 1295, 1486, 1554, 1665, 1890, 1998, 2229, 2331, 2590, 3330, 3715, 3885, 4458, 4662, 4995, 5201, 6687, 6993, 7430, 7770, 9990, 10402, 11145, 11655, 13374, 13986, 15603, 20061, 22290, 23310, 26005, 27491, 31206, 33435, 34965, 40122, 46809, 52010, 54982, 66870, 69930, 78015, 82473, 93618, 100305, 137455, 140427, 156030, 164946, 192437, 200610, 234045, 247419, 274910, 280854, 384874, 412365, 468090, 494838, 577311, 702135, 742257, 824730, 962185, 1154622, 1237095, 1404270, 1484514, 1731933, 1924370, 2474190, 2886555, 3463866, 3711285, 5195799, 5773110, 7422570, 8659665, 10391598, 17319330, 25978995, 51957990]

約数ペア:

[(1, 51957990), (2, 25978995), (3, 17319330), (5, 10391598), (6, 8659665), (7, 7422570), (9, 5773110), (10, 5195799), (14, 3711285), (15, 3463866), (18, 2886555), (21, 2474190), (27, 1924370), (30, 1731933), (35, 1484514), (37, 1404270), (42, 1237095), (45, 1154622), (54, 962185), (63, 824730), (70, 742257), (74, 702135), (90, 577311), (105, 494838), (111, 468090), (126, 412365), (135, 384874), (185, 280854), (189, 274910), (210, 247419), (222, 234045), (259, 200610), (270, 192437), (315, 164946), (333, 156030), (370, 140427), (378, 137455), (518, 100305), (555, 93618), (630, 82473), (666, 78015), (743, 69930), (777, 66870), (945, 54982), (999, 52010), (1110, 46809), (1295, 40122), (1486, 34965), (1554, 33435), (1665, 31206), (1890, 27491), (1998, 26005), (2229, 23310), (2331, 22290), (2590, 20061), (3330, 15603), (3715, 13986), (3885, 13374), (4458, 11655), (4662, 11145), (4995, 10402), (5201, 9990), (6687, 7770), (6993, 7430)]