16778880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{971}}^1$

素因数の和:999

約数の個数: 128

約数和(自身を含む): 59486400

約数和(自身を除く): 42707520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 971, 1080, 1152, 1440, 1728, 1920, 1942, 2160, 2880, 2913, 3456, 3884, 4320, 4855, 5760, 5826, 7768, 8640, 8739, 9710, 11652, 14565, 15536, 17280, 17478, 19420, 23304, 26217, 29130, 31072, 34956, 38840, 43695, 46608, 52434, 58260, 62144, 69912, 77680, 87390, 93216, 104868, 116520, 124288, 131085, 139824, 155360, 174780, 186432, 209736, 233040, 262170, 279648, 310720, 349560, 372864, 419472, 466080, 524340, 559296, 621440, 699120, 838944, 932160, 1048680, 1118592, 1398240, 1677888, 1864320, 2097360, 2796480, 3355776, 4194720, 5592960, 8389440, 16778880]

約数ペア:

[(1, 16778880), (2, 8389440), (3, 5592960), (4, 4194720), (5, 3355776), (6, 2796480), (8, 2097360), (9, 1864320), (10, 1677888), (12, 1398240), (15, 1118592), (16, 1048680), (18, 932160), (20, 838944), (24, 699120), (27, 621440), (30, 559296), (32, 524340), (36, 466080), (40, 419472), (45, 372864), (48, 349560), (54, 310720), (60, 279648), (64, 262170), (72, 233040), (80, 209736), (90, 186432), (96, 174780), (108, 155360), (120, 139824), (128, 131085), (135, 124288), (144, 116520), (160, 104868), (180, 93216), (192, 87390), (216, 77680), (240, 69912), (270, 62144), (288, 58260), (320, 52434), (360, 46608), (384, 43695), (432, 38840), (480, 34956), (540, 31072), (576, 29130), (640, 26217), (720, 23304), (864, 19420), (960, 17478), (971, 17280), (1080, 15536), (1152, 14565), (1440, 11652), (1728, 9710), (1920, 8739), (1942, 8640), (2160, 7768), (2880, 5826), (2913, 5760), (3456, 4855), (3884, 4320)]