638411220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 240

約数和(自身を含む): 2107607040

約数和(自身を除く): 1469195820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 107, 108, 116, 127, 135, 145, 162, 174, 180, 214, 254, 261, 270, 290, 321, 324, 348, 381, 405, 428, 435, 508, 522, 535, 540, 580, 635, 642, 762, 783, 810, 870, 963, 1044, 1070, 1143, 1270, 1284, 1305, 1524, 1566, 1605, 1620, 1740, 1905, 1926, 2140, 2286, 2349, 2540, 2610, 2889, 3103, 3132, 3210, 3429, 3683, 3810, 3852, 3915, 4572, 4698, 4815, 5220, 5715, 5778, 6206, 6420, 6858, 7366, 7620, 7830, 8667, 9309, 9396, 9630, 10287, 11049, 11430, 11556, 11745, 12412, 13589, 13716, 14445, 14732, 15515, 15660, 17145, 17334, 18415, 18618, 19260, 20574, 22098, 22860, 23490, 27178, 27927, 28890, 31030, 33147, 34290, 34668, 36830, 37236, 40767, 41148, 43335, 44196, 46545, 46980, 51435, 54356, 55245, 55854, 57780, 62060, 66294, 67945, 68580, 73660, 81534, 83781, 86670, 93090, 99441, 102870, 110490, 111708, 122301, 132588, 135890, 139635, 163068, 165735, 167562, 173340, 186180, 198882, 203835, 205740, 220980, 244602, 251343, 271780, 279270, 298323, 331470, 335124, 366903, 394081, 397764, 407670, 418905, 489204, 497205, 502686, 558540, 596646, 611505, 662940, 733806, 788162, 815340, 837810, 994410, 1005372, 1100709, 1182243, 1193292, 1223010, 1256715, 1467612, 1491615, 1576324, 1675620, 1834515, 1970405, 1988820, 2201418, 2364486, 2446020, 2513430, 2983230, 3546729, 3669030, 3940810, 4402836, 4728972, 5026860, 5503545, 5911215, 5966460, 7093458, 7338060, 7881620, 10640187, 11007090, 11822430, 14186916, 17733645, 21280374, 22014180, 23644860, 31920561, 35467290, 42560748, 53200935, 63841122, 70934580, 106401870, 127682244, 159602805, 212803740, 319205610, 638411220]

約数ペア:

[(1, 638411220), (2, 319205610), (3, 212803740), (4, 159602805), (5, 127682244), (6, 106401870), (9, 70934580), (10, 63841122), (12, 53200935), (15, 42560748), (18, 35467290), (20, 31920561), (27, 23644860), (29, 22014180), (30, 21280374), (36, 17733645), (45, 14186916), (54, 11822430), (58, 11007090), (60, 10640187), (81, 7881620), (87, 7338060), (90, 7093458), (107, 5966460), (108, 5911215), (116, 5503545), (127, 5026860), (135, 4728972), (145, 4402836), (162, 3940810), (174, 3669030), (180, 3546729), (214, 2983230), (254, 2513430), (261, 2446020), (270, 2364486), (290, 2201418), (321, 1988820), (324, 1970405), (348, 1834515), (381, 1675620), (405, 1576324), (428, 1491615), (435, 1467612), (508, 1256715), (522, 1223010), (535, 1193292), (540, 1182243), (580, 1100709), (635, 1005372), (642, 994410), (762, 837810), (783, 815340), (810, 788162), (870, 733806), (963, 662940), (1044, 611505), (1070, 596646), (1143, 558540), (1270, 502686), (1284, 497205), (1305, 489204), (1524, 418905), (1566, 407670), (1605, 397764), (1620, 394081), (1740, 366903), (1905, 335124), (1926, 331470), (2140, 298323), (2286, 279270), (2349, 271780), (2540, 251343), (2610, 244602), (2889, 220980), (3103, 205740), (3132, 203835), (3210, 198882), (3429, 186180), (3683, 173340), (3810, 167562), (3852, 165735), (3915, 163068), (4572, 139635), (4698, 135890), (4815, 132588), (5220, 122301), (5715, 111708), (5778, 110490), (6206, 102870), (6420, 99441), (6858, 93090), (7366, 86670), (7620, 83781), (7830, 81534), (8667, 73660), (9309, 68580), (9396, 67945), (9630, 66294), (10287, 62060), (11049, 57780), (11430, 55854), (11556, 55245), (11745, 54356), (12412, 51435), (13589, 46980), (13716, 46545), (14445, 44196), (14732, 43335), (15515, 41148), (15660, 40767), (17145, 37236), (17334, 36830), (18415, 34668), (18618, 34290), (19260, 33147), (20574, 31030), (22098, 28890), (22860, 27927), (23490, 27178)]