80644440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 257126400

約数和(自身を除く): 176481960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 479, 488, 552, 610, 690, 732, 915, 920, 958, 1220, 1380, 1403, 1437, 1464, 1830, 1916, 2395, 2440, 2760, 2806, 2874, 3660, 3832, 4209, 4790, 5612, 5748, 7015, 7185, 7320, 8418, 9580, 11017, 11224, 11496, 14030, 14370, 16836, 19160, 21045, 22034, 28060, 28740, 29219, 33051, 33672, 42090, 44068, 55085, 56120, 57480, 58438, 66102, 84180, 87657, 88136, 110170, 116876, 132204, 146095, 165255, 168360, 175314, 220340, 233752, 264408, 292190, 330510, 350628, 438285, 440680, 584380, 661020, 672037, 701256, 876570, 1168760, 1322040, 1344074, 1753140, 2016111, 2688148, 3360185, 3506280, 4032222, 5376296, 6720370, 8064444, 10080555, 13440740, 16128888, 20161110, 26881480, 40322220, 80644440]

約数ペア:

[(1, 80644440), (2, 40322220), (3, 26881480), (4, 20161110), (5, 16128888), (6, 13440740), (8, 10080555), (10, 8064444), (12, 6720370), (15, 5376296), (20, 4032222), (23, 3506280), (24, 3360185), (30, 2688148), (40, 2016111), (46, 1753140), (60, 1344074), (61, 1322040), (69, 1168760), (92, 876570), (115, 701256), (120, 672037), (122, 661020), (138, 584380), (183, 440680), (184, 438285), (230, 350628), (244, 330510), (276, 292190), (305, 264408), (345, 233752), (366, 220340), (460, 175314), (479, 168360), (488, 165255), (552, 146095), (610, 132204), (690, 116876), (732, 110170), (915, 88136), (920, 87657), (958, 84180), (1220, 66102), (1380, 58438), (1403, 57480), (1437, 56120), (1464, 55085), (1830, 44068), (1916, 42090), (2395, 33672), (2440, 33051), (2760, 29219), (2806, 28740), (2874, 28060), (3660, 22034), (3832, 21045), (4209, 19160), (4790, 16836), (5612, 14370), (5748, 14030), (7015, 11496), (7185, 11224), (7320, 11017), (8418, 9580)]