127808240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9923}}^1$

素因数の和:9966

約数の個数: 80

約数和(自身を含む): 354405888

約数和(自身を除く): 226597648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 9923, 12880, 19846, 39692, 49615, 69461, 79384, 99230, 138922, 158768, 198460, 228229, 277844, 347305, 396920, 456458, 555688, 694610, 793840, 912916, 1111376, 1141145, 1389220, 1597603, 1825832, 2282290, 2778440, 3195206, 3651664, 4564580, 5556880, 6390412, 7988015, 9129160, 12780824, 15976030, 18258320, 25561648, 31952060, 63904120, 127808240]

約数ペア:

[(1, 127808240), (2, 63904120), (4, 31952060), (5, 25561648), (7, 18258320), (8, 15976030), (10, 12780824), (14, 9129160), (16, 7988015), (20, 6390412), (23, 5556880), (28, 4564580), (35, 3651664), (40, 3195206), (46, 2778440), (56, 2282290), (70, 1825832), (80, 1597603), (92, 1389220), (112, 1141145), (115, 1111376), (140, 912916), (161, 793840), (184, 694610), (230, 555688), (280, 456458), (322, 396920), (368, 347305), (460, 277844), (560, 228229), (644, 198460), (805, 158768), (920, 138922), (1288, 99230), (1610, 79384), (1840, 69461), (2576, 49615), (3220, 39692), (6440, 19846), (9923, 12880)]