2012080905

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 3922490880

約数和(自身を除く): 1910409975

約数列:

[1, 3, 5, 9, 15, 19, 27, 37, 45, 57, 81, 95, 111, 135, 171, 185, 191, 285, 333, 405, 513, 555, 573, 703, 855, 955, 999, 1369, 1539, 1665, 1719, 2109, 2565, 2865, 2997, 3515, 3629, 4107, 4995, 5157, 6327, 6845, 7067, 7695, 8595, 10545, 10887, 12321, 14985, 15471, 18145, 18981, 20535, 21201, 25785, 26011, 31635, 32661, 35335, 36963, 54435, 56943, 61605, 63603, 77355, 78033, 94905, 97983, 106005, 110889, 130055, 134273, 163305, 184815, 190809, 234099, 261479, 284715, 293949, 318015, 390165, 402819, 489915, 554445, 572427, 671365, 702297, 784437, 954045, 1170495, 1208457, 1307395, 1469745, 2014095, 2106891, 2353311, 2862135, 3511485, 3625371, 3922185, 4968101, 6042285, 7059933, 10534455, 10876113, 11766555, 14904303, 18126855, 21179799, 24840505, 35299665, 44712909, 54380565, 74521515, 105898995, 134138727, 223564545, 402416181, 670693635, 2012080905]

約数ペア:

[(1, 2012080905), (3, 670693635), (5, 402416181), (9, 223564545), (15, 134138727), (19, 105898995), (27, 74521515), (37, 54380565), (45, 44712909), (57, 35299665), (81, 24840505), (95, 21179799), (111, 18126855), (135, 14904303), (171, 11766555), (185, 10876113), (191, 10534455), (285, 7059933), (333, 6042285), (405, 4968101), (513, 3922185), (555, 3625371), (573, 3511485), (703, 2862135), (855, 2353311), (955, 2106891), (999, 2014095), (1369, 1469745), (1539, 1307395), (1665, 1208457), (1719, 1170495), (2109, 954045), (2565, 784437), (2865, 702297), (2997, 671365), (3515, 572427), (3629, 554445), (4107, 489915), (4995, 402819), (5157, 390165), (6327, 318015), (6845, 293949), (7067, 284715), (7695, 261479), (8595, 234099), (10545, 190809), (10887, 184815), (12321, 163305), (14985, 134273), (15471, 130055), (18145, 110889), (18981, 106005), (20535, 97983), (21201, 94905), (25785, 78033), (26011, 77355), (31635, 63603), (32661, 61605), (35335, 56943), (36963, 54435)]