260556800

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{727}}^1$

素因数の和:766

約数の個数: 144

約数和(自身を含む): 739327680

約数和(自身を除く): 478770880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 727, 800, 896, 1024, 1120, 1280, 1400, 1454, 1600, 1792, 2048, 2240, 2560, 2800, 2908, 3200, 3584, 3635, 4480, 5089, 5120, 5600, 5816, 6400, 7168, 7270, 8960, 10178, 10240, 11200, 11632, 12800, 14336, 14540, 17920, 18175, 20356, 22400, 23264, 25445, 25600, 29080, 35840, 36350, 40712, 44800, 46528, 50890, 51200, 58160, 71680, 72700, 81424, 89600, 93056, 101780, 116320, 127225, 145400, 162848, 179200, 186112, 203560, 232640, 254450, 290800, 325696, 358400, 372224, 407120, 465280, 508900, 581600, 651392, 744448, 814240, 930560, 1017800, 1163200, 1302784, 1488896, 1628480, 1861120, 2035600, 2326400, 2605568, 3256960, 3722240, 4071200, 4652800, 5211136, 6513920, 7444480, 8142400, 9305600, 10422272, 13027840, 16284800, 18611200, 26055680, 32569600, 37222400, 52111360, 65139200, 130278400, 260556800]

約数ペア:

[(1, 260556800), (2, 130278400), (4, 65139200), (5, 52111360), (7, 37222400), (8, 32569600), (10, 26055680), (14, 18611200), (16, 16284800), (20, 13027840), (25, 10422272), (28, 9305600), (32, 8142400), (35, 7444480), (40, 6513920), (50, 5211136), (56, 4652800), (64, 4071200), (70, 3722240), (80, 3256960), (100, 2605568), (112, 2326400), (128, 2035600), (140, 1861120), (160, 1628480), (175, 1488896), (200, 1302784), (224, 1163200), (256, 1017800), (280, 930560), (320, 814240), (350, 744448), (400, 651392), (448, 581600), (512, 508900), (560, 465280), (640, 407120), (700, 372224), (727, 358400), (800, 325696), (896, 290800), (1024, 254450), (1120, 232640), (1280, 203560), (1400, 186112), (1454, 179200), (1600, 162848), (1792, 145400), (2048, 127225), (2240, 116320), (2560, 101780), (2800, 93056), (2908, 89600), (3200, 81424), (3584, 72700), (3635, 71680), (4480, 58160), (5089, 51200), (5120, 50890), (5600, 46528), (5816, 44800), (6400, 40712), (7168, 36350), (7270, 35840), (8960, 29080), (10178, 25600), (10240, 25445), (11200, 23264), (11632, 22400), (12800, 20356), (14336, 18175), (14540, 17920)]