12987520

素因数分解:

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

素因数の和:262

約数の個数: 128

約数和(自身を含む): 38384640

約数和(自身を除く): 25397120

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, 260, 280, 320, 364, 416, 446, 448, 455, 520, 560, 640, 728, 832, 892, 896, 910, 1040, 1115, 1120, 1456, 1561, 1664, 1784, 1820, 2080, 2230, 2240, 2899, 2912, 3122, 3568, 3640, 4160, 4460, 4480, 5798, 5824, 6244, 7136, 7280, 7805, 8320, 8920, 11596, 11648, 12488, 14272, 14495, 14560, 15610, 17840, 20293, 23192, 24976, 28544, 28990, 29120, 31220, 35680, 40586, 46384, 49952, 57980, 58240, 62440, 71360, 81172, 92768, 99904, 101465, 115960, 124880, 142720, 162344, 185536, 199808, 202930, 231920, 249760, 324688, 371072, 405860, 463840, 499520, 649376, 811720, 927680, 999040, 1298752, 1623440, 1855360, 2597504, 3246880, 6493760, 12987520]

約数ペア:

[(1, 12987520), (2, 6493760), (4, 3246880), (5, 2597504), (7, 1855360), (8, 1623440), (10, 1298752), (13, 999040), (14, 927680), (16, 811720), (20, 649376), (26, 499520), (28, 463840), (32, 405860), (35, 371072), (40, 324688), (52, 249760), (56, 231920), (64, 202930), (65, 199808), (70, 185536), (80, 162344), (91, 142720), (104, 124880), (112, 115960), (128, 101465), (130, 99904), (140, 92768), (160, 81172), (182, 71360), (208, 62440), (223, 58240), (224, 57980), (260, 49952), (280, 46384), (320, 40586), (364, 35680), (416, 31220), (446, 29120), (448, 28990), (455, 28544), (520, 24976), (560, 23192), (640, 20293), (728, 17840), (832, 15610), (892, 14560), (896, 14495), (910, 14272), (1040, 12488), (1115, 11648), (1120, 11596), (1456, 8920), (1561, 8320), (1664, 7805), (1784, 7280), (1820, 7136), (2080, 6244), (2230, 5824), (2240, 5798), (2899, 4480), (2912, 4460), (3122, 4160), (3568, 3640)]