121882880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 340644864

約数和(自身を除く): 218761984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 223, 224, 244, 256, 280, 305, 320, 427, 446, 448, 488, 560, 610, 640, 854, 892, 896, 976, 1115, 1120, 1220, 1280, 1561, 1708, 1784, 1792, 1952, 2135, 2230, 2240, 2440, 3122, 3416, 3568, 3904, 4270, 4460, 4480, 4880, 6244, 6832, 7136, 7805, 7808, 8540, 8920, 8960, 9760, 12488, 13603, 13664, 14272, 15610, 15616, 17080, 17840, 19520, 24976, 27206, 27328, 28544, 31220, 34160, 35680, 39040, 49952, 54412, 54656, 57088, 62440, 68015, 68320, 71360, 78080, 95221, 99904, 108824, 109312, 124880, 136030, 136640, 142720, 190442, 199808, 217648, 249760, 272060, 273280, 285440, 380884, 399616, 435296, 476105, 499520, 544120, 546560, 761768, 870592, 952210, 999040, 1088240, 1523536, 1741184, 1904420, 1998080, 2176480, 3047072, 3482368, 3808840, 4352960, 6094144, 7617680, 8705920, 12188288, 15235360, 17411840, 24376576, 30470720, 60941440, 121882880]

約数ペア:

[(1, 121882880), (2, 60941440), (4, 30470720), (5, 24376576), (7, 17411840), (8, 15235360), (10, 12188288), (14, 8705920), (16, 7617680), (20, 6094144), (28, 4352960), (32, 3808840), (35, 3482368), (40, 3047072), (56, 2176480), (61, 1998080), (64, 1904420), (70, 1741184), (80, 1523536), (112, 1088240), (122, 999040), (128, 952210), (140, 870592), (160, 761768), (223, 546560), (224, 544120), (244, 499520), (256, 476105), (280, 435296), (305, 399616), (320, 380884), (427, 285440), (446, 273280), (448, 272060), (488, 249760), (560, 217648), (610, 199808), (640, 190442), (854, 142720), (892, 136640), (896, 136030), (976, 124880), (1115, 109312), (1120, 108824), (1220, 99904), (1280, 95221), (1561, 78080), (1708, 71360), (1784, 68320), (1792, 68015), (1952, 62440), (2135, 57088), (2230, 54656), (2240, 54412), (2440, 49952), (3122, 39040), (3416, 35680), (3568, 34160), (3904, 31220), (4270, 28544), (4460, 27328), (4480, 27206), (4880, 24976), (6244, 19520), (6832, 17840), (7136, 17080), (7805, 15616), (7808, 15610), (8540, 14272), (8920, 13664), (8960, 13603), (9760, 12488)]