208178520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6905

約数の個数: 128

約数和(自身を含む): 711037440

約数和(自身を除く): 502858920

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, 2760, 3036, 3795, 5060, 6072, 6857, 7590, 10120, 13714, 15180, 20571, 27428, 30360, 34285, 41142, 54856, 68570, 75427, 82284, 102855, 137140, 150854, 157711, 164568, 205710, 226281, 274280, 301708, 315422, 377135, 411420, 452562, 473133, 603416, 630844, 754270, 788555, 822840, 905124, 946266, 1131405, 1261688, 1508540, 1577110, 1734821, 1810248, 1892532, 2262810, 2365665, 3017080, 3154220, 3469642, 3785064, 4525620, 4731330, 5204463, 6308440, 6939284, 8674105, 9051240, 9462660, 10408926, 13878568, 17348210, 18925320, 20817852, 26022315, 34696420, 41635704, 52044630, 69392840, 104089260, 208178520]

約数ペア:

[(1, 208178520), (2, 104089260), (3, 69392840), (4, 52044630), (5, 41635704), (6, 34696420), (8, 26022315), (10, 20817852), (11, 18925320), (12, 17348210), (15, 13878568), (20, 10408926), (22, 9462660), (23, 9051240), (24, 8674105), (30, 6939284), (33, 6308440), (40, 5204463), (44, 4731330), (46, 4525620), (55, 3785064), (60, 3469642), (66, 3154220), (69, 3017080), (88, 2365665), (92, 2262810), (110, 1892532), (115, 1810248), (120, 1734821), (132, 1577110), (138, 1508540), (165, 1261688), (184, 1131405), (220, 946266), (230, 905124), (253, 822840), (264, 788555), (276, 754270), (330, 630844), (345, 603416), (440, 473133), (460, 452562), (506, 411420), (552, 377135), (660, 315422), (690, 301708), (759, 274280), (920, 226281), (1012, 205710), (1265, 164568), (1320, 157711), (1380, 150854), (1518, 137140), (2024, 102855), (2530, 82284), (2760, 75427), (3036, 68570), (3795, 54856), (5060, 41142), (6072, 34285), (6857, 30360), (7590, 27428), (10120, 20571), (13714, 15180)]