289654640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1359

約数の個数: 120

約数和(自身を含む): 773013024

約数和(自身を除く): 483358384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 176, 184, 220, 230, 242, 253, 368, 440, 460, 484, 506, 605, 880, 920, 968, 1012, 1210, 1265, 1301, 1840, 1936, 2024, 2420, 2530, 2602, 2783, 4048, 4840, 5060, 5204, 5566, 6505, 9680, 10120, 10408, 11132, 13010, 13915, 14311, 20240, 20816, 22264, 26020, 27830, 28622, 29923, 44528, 52040, 55660, 57244, 59846, 71555, 104080, 111320, 114488, 119692, 143110, 149615, 157421, 222640, 228976, 239384, 286220, 299230, 314842, 329153, 478768, 572440, 598460, 629684, 658306, 787105, 1144880, 1196920, 1259368, 1316612, 1574210, 1645765, 2393840, 2518736, 2633224, 3148420, 3291530, 3620683, 5266448, 6296840, 6583060, 7241366, 12593680, 13166120, 14482732, 18103415, 26332240, 28965464, 36206830, 57930928, 72413660, 144827320, 289654640]

約数ペア:

[(1, 289654640), (2, 144827320), (4, 72413660), (5, 57930928), (8, 36206830), (10, 28965464), (11, 26332240), (16, 18103415), (20, 14482732), (22, 13166120), (23, 12593680), (40, 7241366), (44, 6583060), (46, 6296840), (55, 5266448), (80, 3620683), (88, 3291530), (92, 3148420), (110, 2633224), (115, 2518736), (121, 2393840), (176, 1645765), (184, 1574210), (220, 1316612), (230, 1259368), (242, 1196920), (253, 1144880), (368, 787105), (440, 658306), (460, 629684), (484, 598460), (506, 572440), (605, 478768), (880, 329153), (920, 314842), (968, 299230), (1012, 286220), (1210, 239384), (1265, 228976), (1301, 222640), (1840, 157421), (1936, 149615), (2024, 143110), (2420, 119692), (2530, 114488), (2602, 111320), (2783, 104080), (4048, 71555), (4840, 59846), (5060, 57244), (5204, 55660), (5566, 52040), (6505, 44528), (9680, 29923), (10120, 28622), (10408, 27830), (11132, 26020), (13010, 22264), (13915, 20816), (14311, 20240)]