12612880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 33997824

約数和(自身を除く): 21384944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 223, 280, 404, 446, 505, 560, 707, 808, 892, 1010, 1115, 1414, 1561, 1616, 1784, 2020, 2230, 2828, 3122, 3535, 3568, 4040, 4460, 5656, 6244, 7070, 7805, 8080, 8920, 11312, 12488, 14140, 15610, 17840, 22523, 24976, 28280, 31220, 45046, 56560, 62440, 90092, 112615, 124880, 157661, 180184, 225230, 315322, 360368, 450460, 630644, 788305, 900920, 1261288, 1576610, 1801840, 2522576, 3153220, 6306440, 12612880]

約数ペア:

[(1, 12612880), (2, 6306440), (4, 3153220), (5, 2522576), (7, 1801840), (8, 1576610), (10, 1261288), (14, 900920), (16, 788305), (20, 630644), (28, 450460), (35, 360368), (40, 315322), (56, 225230), (70, 180184), (80, 157661), (101, 124880), (112, 112615), (140, 90092), (202, 62440), (223, 56560), (280, 45046), (404, 31220), (446, 28280), (505, 24976), (560, 22523), (707, 17840), (808, 15610), (892, 14140), (1010, 12488), (1115, 11312), (1414, 8920), (1561, 8080), (1616, 7805), (1784, 7070), (2020, 6244), (2230, 5656), (2828, 4460), (3122, 4040), (3535, 3568)]