21680326080

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{358471}}^1$

素因数の和:358504

約数の個数: 224

約数和(自身を含む): 87409812480

約数和(自身を除く): 65729486400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 358471, 716942, 1075413, 1433884, 1792355, 2150826, 2509297, 2867768, 3226239, 3584710, 4301652, 5018594, 5377065, 5735536, 6452478, 7169420, 7527891, 8603304, 9678717, 10037188, 10754130, 11471072, 12546485, 12904956, 14338840, 15055782, 16131195, 17206608, 19357434, 20074376, 21508260, 22583673, 22942144, 25092970, 25809912, 28677680, 30111564, 32262390, 34413216, 37639455, 38714868, 40148752, 43016520, 45167346, 48393585, 50185940, 51619824, 57355360, 60223128, 64524780, 67751019, 68826432, 75278910, 77429736, 80297504, 86033040, 90334692, 96787170, 100371880, 103239648, 112918365, 114710720, 120446256, 129049560, 135502038, 150557820, 154859472, 160595008, 172066080, 180669384, 193574340, 200743760, 206479296, 225836730, 240892512, 258099120, 271004076, 301115640, 309718944, 338755095, 344132160, 361338768, 387148680, 401487520, 451673460, 481785024, 516198240, 542008152, 602231280, 619437888, 677510190, 722677536, 774297360, 802975040, 903346920, 1032396480, 1084016304, 1204462560, 1355020380, 1445355072, 1548594720, 1806693840, 2168032608, 2408925120, 2710040760, 3097189440, 3613387680, 4336065216, 5420081520, 7226775360, 10840163040, 21680326080]

約数ペア:

[(1, 21680326080), (2, 10840163040), (3, 7226775360), (4, 5420081520), (5, 4336065216), (6, 3613387680), (7, 3097189440), (8, 2710040760), (9, 2408925120), (10, 2168032608), (12, 1806693840), (14, 1548594720), (15, 1445355072), (16, 1355020380), (18, 1204462560), (20, 1084016304), (21, 1032396480), (24, 903346920), (27, 802975040), (28, 774297360), (30, 722677536), (32, 677510190), (35, 619437888), (36, 602231280), (40, 542008152), (42, 516198240), (45, 481785024), (48, 451673460), (54, 401487520), (56, 387148680), (60, 361338768), (63, 344132160), (64, 338755095), (70, 309718944), (72, 301115640), (80, 271004076), (84, 258099120), (90, 240892512), (96, 225836730), (105, 206479296), (108, 200743760), (112, 193574340), (120, 180669384), (126, 172066080), (135, 160595008), (140, 154859472), (144, 150557820), (160, 135502038), (168, 129049560), (180, 120446256), (189, 114710720), (192, 112918365), (210, 103239648), (216, 100371880), (224, 96787170), (240, 90334692), (252, 86033040), (270, 80297504), (280, 77429736), (288, 75278910), (315, 68826432), (320, 67751019), (336, 64524780), (360, 60223128), (378, 57355360), (420, 51619824), (432, 50185940), (448, 48393585), (480, 45167346), (504, 43016520), (540, 40148752), (560, 38714868), (576, 37639455), (630, 34413216), (672, 32262390), (720, 30111564), (756, 28677680), (840, 25809912), (864, 25092970), (945, 22942144), (960, 22583673), (1008, 21508260), (1080, 20074376), (1120, 19357434), (1260, 17206608), (1344, 16131195), (1440, 15055782), (1512, 14338840), (1680, 12904956), (1728, 12546485), (1890, 11471072), (2016, 10754130), (2160, 10037188), (2240, 9678717), (2520, 8603304), (2880, 7527891), (3024, 7169420), (3360, 6452478), (3780, 5735536), (4032, 5377065), (4320, 5018594), (5040, 4301652), (6048, 3584710), (6720, 3226239), (7560, 2867768), (8640, 2509297), (10080, 2150826), (12096, 1792355), (15120, 1433884), (20160, 1075413), (30240, 716942), (60480, 358471)]