131991120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{20369}}^1$

素因数の和:20394

約数の個数: 100

約数和(自身を含む): 458447220

約数和(自身を除く): 326456100

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 20369, 40738, 61107, 81476, 101845, 122214, 162952, 183321, 203690, 244428, 305535, 325904, 366642, 407380, 488856, 549963, 611070, 733284, 814760, 916605, 977712, 1099926, 1222140, 1466568, 1629520, 1649889, 1833210, 2199852, 2444280, 2749815, 2933136, 3299778, 3666420, 4399704, 4888560, 5499630, 6599556, 7332840, 8249445, 8799408, 10999260, 13199112, 14665680, 16498890, 21998520, 26398224, 32997780, 43997040, 65995560, 131991120]

約数ペア:

[(1, 131991120), (2, 65995560), (3, 43997040), (4, 32997780), (5, 26398224), (6, 21998520), (8, 16498890), (9, 14665680), (10, 13199112), (12, 10999260), (15, 8799408), (16, 8249445), (18, 7332840), (20, 6599556), (24, 5499630), (27, 4888560), (30, 4399704), (36, 3666420), (40, 3299778), (45, 2933136), (48, 2749815), (54, 2444280), (60, 2199852), (72, 1833210), (80, 1649889), (81, 1629520), (90, 1466568), (108, 1222140), (120, 1099926), (135, 977712), (144, 916605), (162, 814760), (180, 733284), (216, 611070), (240, 549963), (270, 488856), (324, 407380), (360, 366642), (405, 325904), (432, 305535), (540, 244428), (648, 203690), (720, 183321), (810, 162952), (1080, 122214), (1296, 101845), (1620, 81476), (2160, 61107), (3240, 40738), (6480, 20369)]