261770880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19477}}^1$

素因数の和:19506

約数の個数: 128

約数和(自身を含む): 953642880

約数和(自身を除く): 691872000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19477, 38954, 58431, 77908, 97385, 116862, 136339, 155816, 194770, 233724, 272678, 292155, 311632, 389540, 409017, 467448, 545356, 584310, 623264, 681695, 779080, 818034, 934896, 1090712, 1168620, 1246528, 1363390, 1558160, 1636068, 1869792, 2045085, 2181424, 2337240, 2493056, 2726780, 3116320, 3272136, 3739584, 4090170, 4362848, 4674480, 5453560, 6232640, 6544272, 7479168, 8180340, 8725696, 9348960, 10907120, 12465280, 13088544, 16360680, 17451392, 18697920, 21814240, 26177088, 32721360, 37395840, 43628480, 52354176, 65442720, 87256960, 130885440, 261770880]

約数ペア:

[(1, 261770880), (2, 130885440), (3, 87256960), (4, 65442720), (5, 52354176), (6, 43628480), (7, 37395840), (8, 32721360), (10, 26177088), (12, 21814240), (14, 18697920), (15, 17451392), (16, 16360680), (20, 13088544), (21, 12465280), (24, 10907120), (28, 9348960), (30, 8725696), (32, 8180340), (35, 7479168), (40, 6544272), (42, 6232640), (48, 5453560), (56, 4674480), (60, 4362848), (64, 4090170), (70, 3739584), (80, 3272136), (84, 3116320), (96, 2726780), (105, 2493056), (112, 2337240), (120, 2181424), (128, 2045085), (140, 1869792), (160, 1636068), (168, 1558160), (192, 1363390), (210, 1246528), (224, 1168620), (240, 1090712), (280, 934896), (320, 818034), (336, 779080), (384, 681695), (420, 623264), (448, 584310), (480, 545356), (560, 467448), (640, 409017), (672, 389540), (840, 311632), (896, 292155), (960, 272678), (1120, 233724), (1344, 194770), (1680, 155816), (1920, 136339), (2240, 116862), (2688, 97385), (3360, 77908), (4480, 58431), (6720, 38954), (13440, 19477)]