16879240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2662

約数の個数: 64

約数和(自身を含む): 45308160

約数和(自身を除く): 28428920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2621, 3220, 5242, 6440, 10484, 13105, 18347, 20968, 26210, 36694, 52420, 60283, 73388, 91735, 104840, 120566, 146776, 183470, 241132, 301415, 366940, 421981, 482264, 602830, 733880, 843962, 1205660, 1687924, 2109905, 2411320, 3375848, 4219810, 8439620, 16879240]

約数ペア:

[(1, 16879240), (2, 8439620), (4, 4219810), (5, 3375848), (7, 2411320), (8, 2109905), (10, 1687924), (14, 1205660), (20, 843962), (23, 733880), (28, 602830), (35, 482264), (40, 421981), (46, 366940), (56, 301415), (70, 241132), (92, 183470), (115, 146776), (140, 120566), (161, 104840), (184, 91735), (230, 73388), (280, 60283), (322, 52420), (460, 36694), (644, 26210), (805, 20968), (920, 18347), (1288, 13105), (1610, 10484), (2621, 6440), (3220, 5242)]