123676520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 322548480

約数和(自身を除く): 198871960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 101, 110, 115, 121, 184, 202, 220, 230, 242, 253, 404, 440, 460, 484, 505, 506, 605, 808, 920, 968, 1010, 1012, 1111, 1210, 1265, 1331, 2020, 2024, 2222, 2323, 2420, 2530, 2662, 2783, 4040, 4444, 4646, 4840, 5060, 5324, 5555, 5566, 6655, 8888, 9292, 10120, 10648, 11110, 11132, 11615, 12221, 13310, 13915, 18584, 22220, 22264, 23230, 24442, 25553, 26620, 27830, 30613, 44440, 46460, 48884, 51106, 53240, 55660, 61105, 61226, 92920, 97768, 102212, 111320, 122210, 122452, 127765, 134431, 153065, 204424, 244420, 244904, 255530, 268862, 281083, 306130, 488840, 511060, 537724, 562166, 612260, 672155, 1022120, 1075448, 1124332, 1224520, 1344310, 1405415, 2248664, 2688620, 2810830, 3091913, 5377240, 5621660, 6183826, 11243320, 12367652, 15459565, 24735304, 30919130, 61838260, 123676520]

約数ペア:

[(1, 123676520), (2, 61838260), (4, 30919130), (5, 24735304), (8, 15459565), (10, 12367652), (11, 11243320), (20, 6183826), (22, 5621660), (23, 5377240), (40, 3091913), (44, 2810830), (46, 2688620), (55, 2248664), (88, 1405415), (92, 1344310), (101, 1224520), (110, 1124332), (115, 1075448), (121, 1022120), (184, 672155), (202, 612260), (220, 562166), (230, 537724), (242, 511060), (253, 488840), (404, 306130), (440, 281083), (460, 268862), (484, 255530), (505, 244904), (506, 244420), (605, 204424), (808, 153065), (920, 134431), (968, 127765), (1010, 122452), (1012, 122210), (1111, 111320), (1210, 102212), (1265, 97768), (1331, 92920), (2020, 61226), (2024, 61105), (2222, 55660), (2323, 53240), (2420, 51106), (2530, 48884), (2662, 46460), (2783, 44440), (4040, 30613), (4444, 27830), (4646, 26620), (4840, 25553), (5060, 24442), (5324, 23230), (5555, 22264), (5566, 22220), (6655, 18584), (8888, 13915), (9292, 13310), (10120, 12221), (10648, 11615), (11110, 11132)]