51438510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 148838400

約数和(自身を除く): 97399890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 37, 38, 45, 54, 57, 74, 90, 95, 111, 114, 135, 171, 185, 190, 222, 270, 271, 285, 333, 342, 370, 513, 542, 555, 570, 666, 703, 813, 855, 999, 1026, 1110, 1355, 1406, 1626, 1665, 1710, 1998, 2109, 2439, 2565, 2710, 3330, 3515, 4065, 4218, 4878, 4995, 5130, 5149, 6327, 7030, 7317, 8130, 9990, 10027, 10298, 10545, 12195, 12654, 14634, 15447, 18981, 20054, 21090, 24390, 25745, 30081, 30894, 31635, 36585, 37962, 46341, 50135, 51490, 60162, 63270, 73170, 77235, 90243, 92682, 94905, 100270, 139023, 150405, 154470, 180486, 189810, 190513, 231705, 270729, 278046, 300810, 381026, 451215, 463410, 541458, 571539, 695115, 902430, 952565, 1143078, 1353645, 1390230, 1714617, 1905130, 2707290, 2857695, 3429234, 5143851, 5715390, 8573085, 10287702, 17146170, 25719255, 51438510]

約数ペア:

[(1, 51438510), (2, 25719255), (3, 17146170), (5, 10287702), (6, 8573085), (9, 5715390), (10, 5143851), (15, 3429234), (18, 2857695), (19, 2707290), (27, 1905130), (30, 1714617), (37, 1390230), (38, 1353645), (45, 1143078), (54, 952565), (57, 902430), (74, 695115), (90, 571539), (95, 541458), (111, 463410), (114, 451215), (135, 381026), (171, 300810), (185, 278046), (190, 270729), (222, 231705), (270, 190513), (271, 189810), (285, 180486), (333, 154470), (342, 150405), (370, 139023), (513, 100270), (542, 94905), (555, 92682), (570, 90243), (666, 77235), (703, 73170), (813, 63270), (855, 60162), (999, 51490), (1026, 50135), (1110, 46341), (1355, 37962), (1406, 36585), (1626, 31635), (1665, 30894), (1710, 30081), (1998, 25745), (2109, 24390), (2439, 21090), (2565, 20054), (2710, 18981), (3330, 15447), (3515, 14634), (4065, 12654), (4218, 12195), (4878, 10545), (4995, 10298), (5130, 10027), (5149, 9990), (6327, 8130), (7030, 7317)]