31875720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 95999040

約数和(自身を除く): 64123320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 541, 982, 1082, 1473, 1623, 1964, 2164, 2455, 2705, 2946, 3246, 3928, 4328, 4910, 5410, 5892, 6492, 7365, 8115, 9820, 10820, 11784, 12984, 14730, 16230, 19640, 21640, 29460, 32460, 58920, 64920, 265631, 531262, 796893, 1062524, 1328155, 1593786, 2125048, 2656310, 3187572, 3984465, 5312620, 6375144, 7968930, 10625240, 15937860, 31875720]

約数ペア:

[(1, 31875720), (2, 15937860), (3, 10625240), (4, 7968930), (5, 6375144), (6, 5312620), (8, 3984465), (10, 3187572), (12, 2656310), (15, 2125048), (20, 1593786), (24, 1328155), (30, 1062524), (40, 796893), (60, 531262), (120, 265631), (491, 64920), (541, 58920), (982, 32460), (1082, 29460), (1473, 21640), (1623, 19640), (1964, 16230), (2164, 14730), (2455, 12984), (2705, 11784), (2946, 10820), (3246, 9820), (3928, 8115), (4328, 7365), (4910, 6492), (5410, 5892)]