7617680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 20665344

約数和(自身を除く): 13047664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 223, 244, 280, 305, 427, 446, 488, 560, 610, 854, 892, 976, 1115, 1220, 1561, 1708, 1784, 2135, 2230, 2440, 3122, 3416, 3568, 4270, 4460, 4880, 6244, 6832, 7805, 8540, 8920, 12488, 13603, 15610, 17080, 17840, 24976, 27206, 31220, 34160, 54412, 62440, 68015, 95221, 108824, 124880, 136030, 190442, 217648, 272060, 380884, 476105, 544120, 761768, 952210, 1088240, 1523536, 1904420, 3808840, 7617680]

約数ペア:

[(1, 7617680), (2, 3808840), (4, 1904420), (5, 1523536), (7, 1088240), (8, 952210), (10, 761768), (14, 544120), (16, 476105), (20, 380884), (28, 272060), (35, 217648), (40, 190442), (56, 136030), (61, 124880), (70, 108824), (80, 95221), (112, 68015), (122, 62440), (140, 54412), (223, 34160), (244, 31220), (280, 27206), (305, 24976), (427, 17840), (446, 17080), (488, 15610), (560, 13603), (610, 12488), (854, 8920), (892, 8540), (976, 7805), (1115, 6832), (1220, 6244), (1561, 4880), (1708, 4460), (1784, 4270), (2135, 3568), (2230, 3416), (2440, 3122)]