1238036480

素因数分解:

$2^{12}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 104

約数和(自身を含む): 3022675584

約数和(自身を除く): 1784639104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 991, 1024, 1220, 1280, 1952, 1982, 2048, 2440, 2560, 3904, 3964, 4096, 4880, 4955, 5120, 7808, 7928, 9760, 9910, 10240, 15616, 15856, 19520, 19820, 20480, 31232, 31712, 39040, 39640, 60451, 62464, 63424, 78080, 79280, 120902, 124928, 126848, 156160, 158560, 241804, 249856, 253696, 302255, 312320, 317120, 483608, 507392, 604510, 624640, 634240, 967216, 1014784, 1209020, 1249280, 1268480, 1934432, 2029568, 2418040, 2536960, 3868864, 4059136, 4836080, 5073920, 7737728, 9672160, 10147840, 15475456, 19344320, 20295680, 30950912, 38688640, 61901824, 77377280, 123803648, 154754560, 247607296, 309509120, 619018240, 1238036480]

約数ペア:

[(1, 1238036480), (2, 619018240), (4, 309509120), (5, 247607296), (8, 154754560), (10, 123803648), (16, 77377280), (20, 61901824), (32, 38688640), (40, 30950912), (61, 20295680), (64, 19344320), (80, 15475456), (122, 10147840), (128, 9672160), (160, 7737728), (244, 5073920), (256, 4836080), (305, 4059136), (320, 3868864), (488, 2536960), (512, 2418040), (610, 2029568), (640, 1934432), (976, 1268480), (991, 1249280), (1024, 1209020), (1220, 1014784), (1280, 967216), (1952, 634240), (1982, 624640), (2048, 604510), (2440, 507392), (2560, 483608), (3904, 317120), (3964, 312320), (4096, 302255), (4880, 253696), (4955, 249856), (5120, 241804), (7808, 158560), (7928, 156160), (9760, 126848), (9910, 124928), (10240, 120902), (15616, 79280), (15856, 78080), (19520, 63424), (19820, 62464), (20480, 60451), (31232, 39640), (31712, 39040)]