256153920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 224

約数和(自身を含む): 898891776

約数和(自身を除く): 642737856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 127, 132, 160, 165, 176, 191, 192, 220, 240, 254, 264, 320, 330, 352, 381, 382, 440, 480, 508, 528, 573, 635, 660, 704, 762, 764, 880, 955, 960, 1016, 1056, 1146, 1270, 1320, 1397, 1524, 1528, 1760, 1905, 1910, 2032, 2101, 2112, 2292, 2540, 2640, 2794, 2865, 3048, 3056, 3520, 3810, 3820, 4064, 4191, 4202, 4584, 5080, 5280, 5588, 5730, 6096, 6112, 6303, 6985, 7620, 7640, 8128, 8382, 8404, 9168, 10160, 10505, 10560, 11176, 11460, 12192, 12224, 12606, 13970, 15240, 15280, 16764, 16808, 18336, 20320, 20955, 21010, 22352, 22920, 24257, 24384, 25212, 27940, 30480, 30560, 31515, 33528, 33616, 36672, 40640, 41910, 42020, 44704, 45840, 48514, 50424, 55880, 60960, 61120, 63030, 67056, 67232, 72771, 83820, 84040, 89408, 91680, 97028, 100848, 111760, 121285, 121920, 126060, 134112, 134464, 145542, 167640, 168080, 183360, 194056, 201696, 223520, 242570, 252120, 266827, 268224, 291084, 335280, 336160, 363855, 388112, 403392, 447040, 485140, 504240, 533654, 582168, 670560, 672320, 727710, 776224, 800481, 970280, 1008480, 1067308, 1164336, 1334135, 1341120, 1455420, 1552448, 1600962, 1940560, 2016960, 2134616, 2328672, 2668270, 2910840, 3201924, 3881120, 4002405, 4269232, 4657344, 5336540, 5821680, 6403848, 7762240, 8004810, 8538464, 10673080, 11643360, 12807696, 16009620, 17076928, 21346160, 23286720, 25615392, 32019240, 42692320, 51230784, 64038480, 85384640, 128076960, 256153920]

約数ペア:

[(1, 256153920), (2, 128076960), (3, 85384640), (4, 64038480), (5, 51230784), (6, 42692320), (8, 32019240), (10, 25615392), (11, 23286720), (12, 21346160), (15, 17076928), (16, 16009620), (20, 12807696), (22, 11643360), (24, 10673080), (30, 8538464), (32, 8004810), (33, 7762240), (40, 6403848), (44, 5821680), (48, 5336540), (55, 4657344), (60, 4269232), (64, 4002405), (66, 3881120), (80, 3201924), (88, 2910840), (96, 2668270), (110, 2328672), (120, 2134616), (127, 2016960), (132, 1940560), (160, 1600962), (165, 1552448), (176, 1455420), (191, 1341120), (192, 1334135), (220, 1164336), (240, 1067308), (254, 1008480), (264, 970280), (320, 800481), (330, 776224), (352, 727710), (381, 672320), (382, 670560), (440, 582168), (480, 533654), (508, 504240), (528, 485140), (573, 447040), (635, 403392), (660, 388112), (704, 363855), (762, 336160), (764, 335280), (880, 291084), (955, 268224), (960, 266827), (1016, 252120), (1056, 242570), (1146, 223520), (1270, 201696), (1320, 194056), (1397, 183360), (1524, 168080), (1528, 167640), (1760, 145542), (1905, 134464), (1910, 134112), (2032, 126060), (2101, 121920), (2112, 121285), (2292, 111760), (2540, 100848), (2640, 97028), (2794, 91680), (2865, 89408), (3048, 84040), (3056, 83820), (3520, 72771), (3810, 67232), (3820, 67056), (4064, 63030), (4191, 61120), (4202, 60960), (4584, 55880), (5080, 50424), (5280, 48514), (5588, 45840), (5730, 44704), (6096, 42020), (6112, 41910), (6303, 40640), (6985, 36672), (7620, 33616), (7640, 33528), (8128, 31515), (8382, 30560), (8404, 30480), (9168, 27940), (10160, 25212), (10505, 24384), (10560, 24257), (11176, 22920), (11460, 22352), (12192, 21010), (12224, 20955), (12606, 20320), (13970, 18336), (15240, 16808), (15280, 16764)]