256893984

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{15649}}^1$

素因数の和:15687

約数の個数: 96

約数和(自身を含む): 788760000

約数和(自身を除く): 531866016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1368, 1824, 2052, 2736, 4104, 5472, 8208, 15649, 16416, 31298, 46947, 62596, 93894, 125192, 140841, 187788, 250384, 281682, 297331, 375576, 422523, 500768, 563364, 594662, 751152, 845046, 891993, 1126728, 1189324, 1502304, 1690092, 1783986, 2253456, 2378648, 2675979, 3380184, 3567972, 4506912, 4757296, 5351958, 6760368, 7135944, 8027937, 9514592, 10703916, 13520736, 14271888, 16055874, 21407832, 28543776, 32111748, 42815664, 64223496, 85631328, 128446992, 256893984]

約数ペア:

[(1, 256893984), (2, 128446992), (3, 85631328), (4, 64223496), (6, 42815664), (8, 32111748), (9, 28543776), (12, 21407832), (16, 16055874), (18, 14271888), (19, 13520736), (24, 10703916), (27, 9514592), (32, 8027937), (36, 7135944), (38, 6760368), (48, 5351958), (54, 4757296), (57, 4506912), (72, 3567972), (76, 3380184), (96, 2675979), (108, 2378648), (114, 2253456), (144, 1783986), (152, 1690092), (171, 1502304), (216, 1189324), (228, 1126728), (288, 891993), (304, 845046), (342, 751152), (432, 594662), (456, 563364), (513, 500768), (608, 422523), (684, 375576), (864, 297331), (912, 281682), (1026, 250384), (1368, 187788), (1824, 140841), (2052, 125192), (2736, 93894), (4104, 62596), (5472, 46947), (8208, 31298), (15649, 16416)]