165533720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 408464640

約数和(自身を除く): 242930920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 844, 1055, 1688, 1783, 2110, 2321, 3566, 4220, 4642, 7132, 8440, 8915, 9284, 11605, 14264, 17830, 18568, 19613, 23210, 35660, 39226, 46420, 71320, 78452, 92840, 98065, 156904, 196130, 376213, 392260, 752426, 784520, 1504852, 1881065, 3009704, 3762130, 4138343, 7524260, 8276686, 15048520, 16553372, 20691715, 33106744, 41383430, 82766860, 165533720]

約数ペア:

[(1, 165533720), (2, 82766860), (4, 41383430), (5, 33106744), (8, 20691715), (10, 16553372), (11, 15048520), (20, 8276686), (22, 7524260), (40, 4138343), (44, 3762130), (55, 3009704), (88, 1881065), (110, 1504852), (211, 784520), (220, 752426), (422, 392260), (440, 376213), (844, 196130), (1055, 156904), (1688, 98065), (1783, 92840), (2110, 78452), (2321, 71320), (3566, 46420), (4220, 39226), (4642, 35660), (7132, 23210), (8440, 19613), (8915, 18568), (9284, 17830), (11605, 14264)]