128562880

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^2\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 84

約数和(自身を含む): 315102240

約数和(自身を除く): 186539360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 239, 320, 328, 410, 478, 656, 820, 956, 1195, 1312, 1640, 1681, 1912, 2390, 2624, 3280, 3362, 3824, 4780, 6560, 6724, 7648, 8405, 9560, 9799, 13120, 13448, 15296, 16810, 19120, 19598, 26896, 33620, 38240, 39196, 48995, 53792, 67240, 76480, 78392, 97990, 107584, 134480, 156784, 195980, 268960, 313568, 391960, 401759, 537920, 627136, 783920, 803518, 1567840, 1607036, 2008795, 3135680, 3214072, 4017590, 6428144, 8035180, 12856288, 16070360, 25712576, 32140720, 64281440, 128562880]

約数ペア:

[(1, 128562880), (2, 64281440), (4, 32140720), (5, 25712576), (8, 16070360), (10, 12856288), (16, 8035180), (20, 6428144), (32, 4017590), (40, 3214072), (41, 3135680), (64, 2008795), (80, 1607036), (82, 1567840), (160, 803518), (164, 783920), (205, 627136), (239, 537920), (320, 401759), (328, 391960), (410, 313568), (478, 268960), (656, 195980), (820, 156784), (956, 134480), (1195, 107584), (1312, 97990), (1640, 78392), (1681, 76480), (1912, 67240), (2390, 53792), (2624, 48995), (3280, 39196), (3362, 38240), (3824, 33620), (4780, 26896), (6560, 19598), (6724, 19120), (7648, 16810), (8405, 15296), (9560, 13448), (9799, 13120)]