31512240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1621}}^1$

素因数の和:1649

約数の個数: 120

約数和(自身を含む): 109815888

約数和(自身を除く): 78303648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1621, 1944, 2160, 2430, 3240, 3242, 3888, 4860, 4863, 6480, 6484, 8105, 9720, 9726, 12968, 14589, 16210, 19440, 19452, 24315, 25936, 29178, 32420, 38904, 43767, 48630, 58356, 64840, 72945, 77808, 87534, 97260, 116712, 129680, 131301, 145890, 175068, 194520, 218835, 233424, 262602, 291780, 350136, 389040, 393903, 437670, 525204, 583560, 656505, 700272, 787806, 875340, 1050408, 1167120, 1313010, 1575612, 1750680, 1969515, 2100816, 2626020, 3151224, 3501360, 3939030, 5252040, 6302448, 7878060, 10504080, 15756120, 31512240]

約数ペア:

[(1, 31512240), (2, 15756120), (3, 10504080), (4, 7878060), (5, 6302448), (6, 5252040), (8, 3939030), (9, 3501360), (10, 3151224), (12, 2626020), (15, 2100816), (16, 1969515), (18, 1750680), (20, 1575612), (24, 1313010), (27, 1167120), (30, 1050408), (36, 875340), (40, 787806), (45, 700272), (48, 656505), (54, 583560), (60, 525204), (72, 437670), (80, 393903), (81, 389040), (90, 350136), (108, 291780), (120, 262602), (135, 233424), (144, 218835), (162, 194520), (180, 175068), (216, 145890), (240, 131301), (243, 129680), (270, 116712), (324, 97260), (360, 87534), (405, 77808), (432, 72945), (486, 64840), (540, 58356), (648, 48630), (720, 43767), (810, 38904), (972, 32420), (1080, 29178), (1215, 25936), (1296, 24315), (1620, 19452), (1621, 19440), (1944, 16210), (2160, 14589), (2430, 12968), (3240, 9726), (3242, 9720), (3888, 8105), (4860, 6484), (4863, 6480)]