80666520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2705

約数の個数: 128

約数和(自身を含む): 275581440

約数和(自身を除く): 194914920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 2024, 2530, 2657, 2760, 3036, 3795, 5060, 5314, 6072, 7590, 7971, 10120, 10628, 13285, 15180, 15942, 21256, 26570, 29227, 30360, 31884, 39855, 53140, 58454, 61111, 63768, 79710, 87681, 106280, 116908, 122222, 146135, 159420, 175362, 183333, 233816, 244444, 292270, 305555, 318840, 350724, 366666, 438405, 488888, 584540, 611110, 672221, 701448, 733332, 876810, 916665, 1169080, 1222220, 1344442, 1466664, 1753620, 1833330, 2016663, 2444440, 2688884, 3361105, 3507240, 3666660, 4033326, 5377768, 6722210, 7333320, 8066652, 10083315, 13444420, 16133304, 20166630, 26888840, 40333260, 80666520]

約数ペア:

[(1, 80666520), (2, 40333260), (3, 26888840), (4, 20166630), (5, 16133304), (6, 13444420), (8, 10083315), (10, 8066652), (11, 7333320), (12, 6722210), (15, 5377768), (20, 4033326), (22, 3666660), (23, 3507240), (24, 3361105), (30, 2688884), (33, 2444440), (40, 2016663), (44, 1833330), (46, 1753620), (55, 1466664), (60, 1344442), (66, 1222220), (69, 1169080), (88, 916665), (92, 876810), (110, 733332), (115, 701448), (120, 672221), (132, 611110), (138, 584540), (165, 488888), (184, 438405), (220, 366666), (230, 350724), (253, 318840), (264, 305555), (276, 292270), (330, 244444), (345, 233816), (440, 183333), (460, 175362), (506, 159420), (552, 146135), (660, 122222), (690, 116908), (759, 106280), (920, 87681), (1012, 79710), (1265, 63768), (1320, 61111), (1380, 58454), (1518, 53140), (2024, 39855), (2530, 31884), (2657, 30360), (2760, 29227), (3036, 26570), (3795, 21256), (5060, 15942), (5314, 15180), (6072, 13285), (7590, 10628), (7971, 10120)]