988778880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{57221}}^1$

素因数の和:57249

約数の個数: 128

約数和(自身を含む): 3501986400

約数和(自身を除く): 2513207520

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, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 57221, 114442, 171663, 228884, 286105, 343326, 457768, 514989, 572210, 686652, 858315, 915536, 1029978, 1144420, 1373304, 1544967, 1716630, 1831072, 2059956, 2288840, 2574945, 2746608, 3089934, 3433260, 3662144, 4119912, 4577680, 5149890, 5493216, 6179868, 6866520, 7324288, 7724835, 8239824, 9155360, 10299780, 10986432, 12359736, 13733040, 15449670, 16479648, 18310720, 20599560, 21972864, 24719472, 27466080, 30899340, 32959296, 36621440, 41199120, 49438944, 54932160, 61798680, 65918592, 82398240, 98877888, 109864320, 123597360, 164796480, 197755776, 247194720, 329592960, 494389440, 988778880]

約数ペア:

[(1, 988778880), (2, 494389440), (3, 329592960), (4, 247194720), (5, 197755776), (6, 164796480), (8, 123597360), (9, 109864320), (10, 98877888), (12, 82398240), (15, 65918592), (16, 61798680), (18, 54932160), (20, 49438944), (24, 41199120), (27, 36621440), (30, 32959296), (32, 30899340), (36, 27466080), (40, 24719472), (45, 21972864), (48, 20599560), (54, 18310720), (60, 16479648), (64, 15449670), (72, 13733040), (80, 12359736), (90, 10986432), (96, 10299780), (108, 9155360), (120, 8239824), (128, 7724835), (135, 7324288), (144, 6866520), (160, 6179868), (180, 5493216), (192, 5149890), (216, 4577680), (240, 4119912), (270, 3662144), (288, 3433260), (320, 3089934), (360, 2746608), (384, 2574945), (432, 2288840), (480, 2059956), (540, 1831072), (576, 1716630), (640, 1544967), (720, 1373304), (864, 1144420), (960, 1029978), (1080, 915536), (1152, 858315), (1440, 686652), (1728, 572210), (1920, 514989), (2160, 457768), (2880, 343326), (3456, 286105), (4320, 228884), (5760, 171663), (8640, 114442), (17280, 57221)]