31886280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3851}}^1$

素因数の和:3891

約数の個数: 96

約数和(自身を含む): 108164160

約数和(自身を除く): 76277880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3851, 4140, 7702, 8280, 11553, 15404, 19255, 23106, 30808, 34659, 38510, 46212, 57765, 69318, 77020, 88573, 92424, 115530, 138636, 154040, 173295, 177146, 231060, 265719, 277272, 346590, 354292, 442865, 462120, 531438, 693180, 708584, 797157, 885730, 1062876, 1328595, 1386360, 1594314, 1771460, 2125752, 2657190, 3188628, 3542920, 3985785, 5314380, 6377256, 7971570, 10628760, 15943140, 31886280]

約数ペア:

[(1, 31886280), (2, 15943140), (3, 10628760), (4, 7971570), (5, 6377256), (6, 5314380), (8, 3985785), (9, 3542920), (10, 3188628), (12, 2657190), (15, 2125752), (18, 1771460), (20, 1594314), (23, 1386360), (24, 1328595), (30, 1062876), (36, 885730), (40, 797157), (45, 708584), (46, 693180), (60, 531438), (69, 462120), (72, 442865), (90, 354292), (92, 346590), (115, 277272), (120, 265719), (138, 231060), (180, 177146), (184, 173295), (207, 154040), (230, 138636), (276, 115530), (345, 92424), (360, 88573), (414, 77020), (460, 69318), (552, 57765), (690, 46212), (828, 38510), (920, 34659), (1035, 30808), (1380, 23106), (1656, 19255), (2070, 15404), (2760, 11553), (3851, 8280), (4140, 7702)]