331345960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 846236160

約数和(自身を除く): 514890200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 83, 86, 88, 110, 166, 172, 211, 215, 220, 332, 344, 415, 422, 430, 440, 473, 664, 830, 844, 860, 913, 946, 1055, 1660, 1688, 1720, 1826, 1892, 2110, 2321, 2365, 3320, 3569, 3652, 3784, 4220, 4565, 4642, 4730, 7138, 7304, 8440, 9073, 9130, 9284, 9460, 11605, 14276, 17513, 17845, 18146, 18260, 18568, 18920, 23210, 28552, 35026, 35690, 36292, 36520, 39259, 45365, 46420, 70052, 71380, 72584, 78518, 87565, 90730, 92840, 99803, 140104, 142760, 157036, 175130, 181460, 192643, 196295, 199606, 314072, 350260, 362920, 385286, 392590, 399212, 499015, 700520, 753059, 770572, 785180, 798424, 963215, 998030, 1506118, 1541144, 1570360, 1926430, 1996060, 3012236, 3765295, 3852860, 3992120, 6024472, 7530590, 7705720, 8283649, 15061180, 16567298, 30122360, 33134596, 41418245, 66269192, 82836490, 165672980, 331345960]

約数ペア:

[(1, 331345960), (2, 165672980), (4, 82836490), (5, 66269192), (8, 41418245), (10, 33134596), (11, 30122360), (20, 16567298), (22, 15061180), (40, 8283649), (43, 7705720), (44, 7530590), (55, 6024472), (83, 3992120), (86, 3852860), (88, 3765295), (110, 3012236), (166, 1996060), (172, 1926430), (211, 1570360), (215, 1541144), (220, 1506118), (332, 998030), (344, 963215), (415, 798424), (422, 785180), (430, 770572), (440, 753059), (473, 700520), (664, 499015), (830, 399212), (844, 392590), (860, 385286), (913, 362920), (946, 350260), (1055, 314072), (1660, 199606), (1688, 196295), (1720, 192643), (1826, 181460), (1892, 175130), (2110, 157036), (2321, 142760), (2365, 140104), (3320, 99803), (3569, 92840), (3652, 90730), (3784, 87565), (4220, 78518), (4565, 72584), (4642, 71380), (4730, 70052), (7138, 46420), (7304, 45365), (8440, 39259), (9073, 36520), (9130, 36292), (9284, 35690), (9460, 35026), (11605, 28552), (14276, 23210), (17513, 18920), (17845, 18568), (18146, 18260)]