640516272

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{709}}^1$

素因数の和:819

約数の個数: 160

約数和(自身を含む): 1901664000

約数和(自身を除く): 1261147728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 33, 44, 48, 58, 59, 66, 87, 88, 116, 118, 132, 174, 176, 177, 232, 236, 264, 319, 348, 354, 464, 472, 528, 638, 649, 696, 708, 709, 944, 957, 1276, 1298, 1392, 1416, 1418, 1711, 1914, 1947, 2127, 2552, 2596, 2832, 2836, 3422, 3828, 3894, 4254, 5104, 5133, 5192, 5672, 6844, 7656, 7788, 7799, 8508, 10266, 10384, 11344, 13688, 15312, 15576, 15598, 17016, 18821, 20532, 20561, 23397, 27376, 31152, 31196, 34032, 37642, 41064, 41122, 41831, 46794, 56463, 61683, 62392, 75284, 82128, 82244, 83662, 93588, 112926, 123366, 124784, 125493, 150568, 164488, 167324, 187176, 225852, 226171, 246732, 250986, 301136, 328976, 334648, 374352, 451704, 452342, 460141, 493464, 501972, 669296, 678513, 903408, 904684, 920282, 986928, 1003944, 1213099, 1357026, 1380423, 1809368, 1840564, 2007888, 2426198, 2714052, 2760846, 3618736, 3639297, 3681128, 4852396, 5428104, 5521692, 7278594, 7362256, 9704792, 10856208, 11043384, 13344089, 14557188, 19409584, 22086768, 26688178, 29114376, 40032267, 53376356, 58228752, 80064534, 106752712, 160129068, 213505424, 320258136, 640516272]

約数ペア:

[(1, 640516272), (2, 320258136), (3, 213505424), (4, 160129068), (6, 106752712), (8, 80064534), (11, 58228752), (12, 53376356), (16, 40032267), (22, 29114376), (24, 26688178), (29, 22086768), (33, 19409584), (44, 14557188), (48, 13344089), (58, 11043384), (59, 10856208), (66, 9704792), (87, 7362256), (88, 7278594), (116, 5521692), (118, 5428104), (132, 4852396), (174, 3681128), (176, 3639297), (177, 3618736), (232, 2760846), (236, 2714052), (264, 2426198), (319, 2007888), (348, 1840564), (354, 1809368), (464, 1380423), (472, 1357026), (528, 1213099), (638, 1003944), (649, 986928), (696, 920282), (708, 904684), (709, 903408), (944, 678513), (957, 669296), (1276, 501972), (1298, 493464), (1392, 460141), (1416, 452342), (1418, 451704), (1711, 374352), (1914, 334648), (1947, 328976), (2127, 301136), (2552, 250986), (2596, 246732), (2832, 226171), (2836, 225852), (3422, 187176), (3828, 167324), (3894, 164488), (4254, 150568), (5104, 125493), (5133, 124784), (5192, 123366), (5672, 112926), (6844, 93588), (7656, 83662), (7788, 82244), (7799, 82128), (8508, 75284), (10266, 62392), (10384, 61683), (11344, 56463), (13688, 46794), (15312, 41831), (15576, 41122), (15598, 41064), (17016, 37642), (18821, 34032), (20532, 31196), (20561, 31152), (23397, 27376)]