656513280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{56989}}^1$

素因数の和:57016

約数の個数: 108

約数和(自身を含む): 2271507420

約数和(自身を除く): 1614994140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 56989, 113978, 170967, 227956, 284945, 341934, 455912, 512901, 569890, 683868, 854835, 911824, 1025802, 1139780, 1367736, 1709670, 1823648, 2051604, 2279560, 2564505, 2735472, 3419340, 3647296, 4103208, 4559120, 5129010, 5470944, 6838680, 7294592, 8206416, 9118240, 10258020, 10941888, 13677360, 14589184, 16412832, 18236480, 20516040, 21883776, 27354720, 32825664, 36472960, 41032080, 43767552, 54709440, 65651328, 72945920, 82064160, 109418880, 131302656, 164128320, 218837760, 328256640, 656513280]

約数ペア:

[(1, 656513280), (2, 328256640), (3, 218837760), (4, 164128320), (5, 131302656), (6, 109418880), (8, 82064160), (9, 72945920), (10, 65651328), (12, 54709440), (15, 43767552), (16, 41032080), (18, 36472960), (20, 32825664), (24, 27354720), (30, 21883776), (32, 20516040), (36, 18236480), (40, 16412832), (45, 14589184), (48, 13677360), (60, 10941888), (64, 10258020), (72, 9118240), (80, 8206416), (90, 7294592), (96, 6838680), (120, 5470944), (128, 5129010), (144, 4559120), (160, 4103208), (180, 3647296), (192, 3419340), (240, 2735472), (256, 2564505), (288, 2279560), (320, 2051604), (360, 1823648), (384, 1709670), (480, 1367736), (576, 1139780), (640, 1025802), (720, 911824), (768, 854835), (960, 683868), (1152, 569890), (1280, 512901), (1440, 455912), (1920, 341934), (2304, 284945), (2880, 227956), (3840, 170967), (5760, 113978), (11520, 56989)]