268705920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19993}}^1$

素因数の和:20022

約数の個数: 128

約数和(自身を含む): 978906240

約数和(自身を除く): 710200320

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, 19993, 39986, 59979, 79972, 99965, 119958, 139951, 159944, 199930, 239916, 279902, 299895, 319888, 399860, 419853, 479832, 559804, 599790, 639776, 699755, 799720, 839706, 959664, 1119608, 1199580, 1279552, 1399510, 1599440, 1679412, 1919328, 2099265, 2239216, 2399160, 2559104, 2799020, 3198880, 3358824, 3838656, 4198530, 4478432, 4798320, 5598040, 6397760, 6717648, 7677312, 8397060, 8956864, 9596640, 11196080, 12795520, 13435296, 16794120, 17913728, 19193280, 22392160, 26870592, 33588240, 38386560, 44784320, 53741184, 67176480, 89568640, 134352960, 268705920]

約数ペア:

[(1, 268705920), (2, 134352960), (3, 89568640), (4, 67176480), (5, 53741184), (6, 44784320), (7, 38386560), (8, 33588240), (10, 26870592), (12, 22392160), (14, 19193280), (15, 17913728), (16, 16794120), (20, 13435296), (21, 12795520), (24, 11196080), (28, 9596640), (30, 8956864), (32, 8397060), (35, 7677312), (40, 6717648), (42, 6397760), (48, 5598040), (56, 4798320), (60, 4478432), (64, 4198530), (70, 3838656), (80, 3358824), (84, 3198880), (96, 2799020), (105, 2559104), (112, 2399160), (120, 2239216), (128, 2099265), (140, 1919328), (160, 1679412), (168, 1599440), (192, 1399510), (210, 1279552), (224, 1199580), (240, 1119608), (280, 959664), (320, 839706), (336, 799720), (384, 699755), (420, 639776), (448, 599790), (480, 559804), (560, 479832), (640, 419853), (672, 399860), (840, 319888), (896, 299895), (960, 279902), (1120, 239916), (1344, 199930), (1680, 159944), (1920, 139951), (2240, 119958), (2688, 99965), (3360, 79972), (4480, 59979), (6720, 39986), (13440, 19993)]