831201280

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 224

約数和(自身を含む): 2466100224

約数和(自身を除く): 1634898944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 223, 224, 256, 260, 280, 320, 364, 416, 446, 448, 455, 512, 520, 560, 640, 728, 832, 892, 896, 910, 1024, 1040, 1115, 1120, 1280, 1456, 1561, 1664, 1784, 1792, 1820, 2048, 2080, 2230, 2240, 2560, 2899, 2912, 3122, 3328, 3568, 3584, 3640, 4096, 4160, 4460, 4480, 5120, 5798, 5824, 6244, 6656, 7136, 7168, 7280, 7805, 8192, 8320, 8920, 8960, 10240, 11596, 11648, 12488, 13312, 14272, 14336, 14495, 14560, 15610, 16640, 17840, 17920, 20293, 20480, 23192, 23296, 24976, 26624, 28544, 28672, 28990, 29120, 31220, 33280, 35680, 35840, 40586, 40960, 46384, 46592, 49952, 53248, 57088, 57344, 57980, 58240, 62440, 66560, 71360, 71680, 81172, 92768, 93184, 99904, 101465, 106496, 114176, 115960, 116480, 124880, 133120, 142720, 143360, 162344, 185536, 186368, 199808, 202930, 228352, 231920, 232960, 249760, 266240, 285440, 286720, 324688, 371072, 372736, 399616, 405860, 456704, 463840, 465920, 499520, 532480, 570880, 649376, 742144, 745472, 799232, 811720, 913408, 927680, 931840, 999040, 1141760, 1298752, 1484288, 1598464, 1623440, 1826816, 1855360, 1863680, 1998080, 2283520, 2597504, 2968576, 3196928, 3246880, 3710720, 3727360, 3996160, 4567040, 5195008, 5937152, 6393856, 6493760, 7421440, 7992320, 9134080, 10390016, 11874304, 12787712, 12987520, 14842880, 15984640, 20780032, 23748608, 25975040, 29685760, 31969280, 41560064, 51950080, 59371520, 63938560, 83120128, 103900160, 118743040, 166240256, 207800320, 415600640, 831201280]

約数ペア:

[(1, 831201280), (2, 415600640), (4, 207800320), (5, 166240256), (7, 118743040), (8, 103900160), (10, 83120128), (13, 63938560), (14, 59371520), (16, 51950080), (20, 41560064), (26, 31969280), (28, 29685760), (32, 25975040), (35, 23748608), (40, 20780032), (52, 15984640), (56, 14842880), (64, 12987520), (65, 12787712), (70, 11874304), (80, 10390016), (91, 9134080), (104, 7992320), (112, 7421440), (128, 6493760), (130, 6393856), (140, 5937152), (160, 5195008), (182, 4567040), (208, 3996160), (223, 3727360), (224, 3710720), (256, 3246880), (260, 3196928), (280, 2968576), (320, 2597504), (364, 2283520), (416, 1998080), (446, 1863680), (448, 1855360), (455, 1826816), (512, 1623440), (520, 1598464), (560, 1484288), (640, 1298752), (728, 1141760), (832, 999040), (892, 931840), (896, 927680), (910, 913408), (1024, 811720), (1040, 799232), (1115, 745472), (1120, 742144), (1280, 649376), (1456, 570880), (1561, 532480), (1664, 499520), (1784, 465920), (1792, 463840), (1820, 456704), (2048, 405860), (2080, 399616), (2230, 372736), (2240, 371072), (2560, 324688), (2899, 286720), (2912, 285440), (3122, 266240), (3328, 249760), (3568, 232960), (3584, 231920), (3640, 228352), (4096, 202930), (4160, 199808), (4460, 186368), (4480, 185536), (5120, 162344), (5798, 143360), (5824, 142720), (6244, 133120), (6656, 124880), (7136, 116480), (7168, 115960), (7280, 114176), (7805, 106496), (8192, 101465), (8320, 99904), (8920, 93184), (8960, 92768), (10240, 81172), (11596, 71680), (11648, 71360), (12488, 66560), (13312, 62440), (14272, 58240), (14336, 57980), (14495, 57344), (14560, 57088), (15610, 53248), (16640, 49952), (17840, 46592), (17920, 46384), (20293, 40960), (20480, 40586), (23192, 35840), (23296, 35680), (24976, 33280), (26624, 31220), (28544, 29120), (28672, 28990)]