16782640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 46568448

約数和(自身を除く): 29785808

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, 1303, 1610, 1840, 2576, 2606, 3220, 5212, 6440, 6515, 9121, 10424, 12880, 13030, 18242, 20848, 26060, 29969, 36484, 45605, 52120, 59938, 72968, 91210, 104240, 119876, 145936, 149845, 182420, 209783, 239752, 299690, 364840, 419566, 479504, 599380, 729680, 839132, 1048915, 1198760, 1678264, 2097830, 2397520, 3356528, 4195660, 8391320, 16782640]

約数ペア:

[(1, 16782640), (2, 8391320), (4, 4195660), (5, 3356528), (7, 2397520), (8, 2097830), (10, 1678264), (14, 1198760), (16, 1048915), (20, 839132), (23, 729680), (28, 599380), (35, 479504), (40, 419566), (46, 364840), (56, 299690), (70, 239752), (80, 209783), (92, 182420), (112, 149845), (115, 145936), (140, 119876), (161, 104240), (184, 91210), (230, 72968), (280, 59938), (322, 52120), (368, 45605), (460, 36484), (560, 29969), (644, 26060), (805, 20848), (920, 18242), (1288, 13030), (1303, 12880), (1610, 10424), (1840, 9121), (2576, 6515), (2606, 6440), (3220, 5212)]