165724840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 423014400

約数和(自身を除く): 257289560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 101, 127, 136, 152, 170, 190, 202, 254, 323, 340, 380, 404, 505, 508, 635, 646, 680, 760, 808, 1010, 1016, 1270, 1292, 1615, 1717, 1919, 2020, 2159, 2413, 2540, 2584, 3230, 3434, 3838, 4040, 4318, 4826, 5080, 6460, 6868, 7676, 8585, 8636, 9595, 9652, 10795, 12065, 12827, 12920, 13736, 15352, 17170, 17272, 19190, 19304, 21590, 24130, 25654, 32623, 34340, 38380, 41021, 43180, 48260, 51308, 64135, 65246, 68680, 76760, 82042, 86360, 96520, 102616, 128270, 130492, 163115, 164084, 205105, 218059, 243713, 256540, 260984, 326230, 328168, 410210, 436118, 487426, 513080, 652460, 820420, 872236, 974852, 1090295, 1218565, 1304920, 1640840, 1744472, 1949704, 2180590, 2437130, 4143121, 4361180, 4874260, 8286242, 8722360, 9748520, 16572484, 20715605, 33144968, 41431210, 82862420, 165724840]

約数ペア:

[(1, 165724840), (2, 82862420), (4, 41431210), (5, 33144968), (8, 20715605), (10, 16572484), (17, 9748520), (19, 8722360), (20, 8286242), (34, 4874260), (38, 4361180), (40, 4143121), (68, 2437130), (76, 2180590), (85, 1949704), (95, 1744472), (101, 1640840), (127, 1304920), (136, 1218565), (152, 1090295), (170, 974852), (190, 872236), (202, 820420), (254, 652460), (323, 513080), (340, 487426), (380, 436118), (404, 410210), (505, 328168), (508, 326230), (635, 260984), (646, 256540), (680, 243713), (760, 218059), (808, 205105), (1010, 164084), (1016, 163115), (1270, 130492), (1292, 128270), (1615, 102616), (1717, 96520), (1919, 86360), (2020, 82042), (2159, 76760), (2413, 68680), (2540, 65246), (2584, 64135), (3230, 51308), (3434, 48260), (3838, 43180), (4040, 41021), (4318, 38380), (4826, 34340), (5080, 32623), (6460, 25654), (6868, 24130), (7676, 21590), (8585, 19304), (8636, 19190), (9595, 17272), (9652, 17170), (10795, 15352), (12065, 13736), (12827, 12920)]