320842808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 745113600

約数和(自身を除く): 424270792

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 83, 88, 104, 109, 124, 143, 166, 218, 248, 286, 332, 341, 403, 436, 572, 664, 682, 806, 872, 913, 1079, 1144, 1199, 1364, 1417, 1612, 1826, 2158, 2398, 2573, 2728, 2834, 3224, 3379, 3652, 4316, 4433, 4796, 5146, 5668, 6758, 7304, 8632, 8866, 9047, 9592, 10292, 11336, 11869, 13516, 15587, 17732, 18094, 20584, 23738, 27032, 28303, 31174, 33449, 35464, 36188, 37169, 43927, 47476, 56606, 62348, 66898, 72376, 74338, 87854, 94952, 99517, 113212, 117611, 124696, 133796, 148676, 175708, 199034, 226424, 235222, 267592, 280457, 297352, 351416, 367939, 398068, 470444, 483197, 560914, 735878, 796136, 940888, 966394, 1121828, 1293721, 1471756, 1932788, 2243656, 2587442, 2943512, 3085027, 3645941, 3865576, 5174884, 6170054, 7291882, 10349768, 12340108, 14583764, 24680216, 29167528, 40105351, 80210702, 160421404, 320842808]

約数ペア:

[(1, 320842808), (2, 160421404), (4, 80210702), (8, 40105351), (11, 29167528), (13, 24680216), (22, 14583764), (26, 12340108), (31, 10349768), (44, 7291882), (52, 6170054), (62, 5174884), (83, 3865576), (88, 3645941), (104, 3085027), (109, 2943512), (124, 2587442), (143, 2243656), (166, 1932788), (218, 1471756), (248, 1293721), (286, 1121828), (332, 966394), (341, 940888), (403, 796136), (436, 735878), (572, 560914), (664, 483197), (682, 470444), (806, 398068), (872, 367939), (913, 351416), (1079, 297352), (1144, 280457), (1199, 267592), (1364, 235222), (1417, 226424), (1612, 199034), (1826, 175708), (2158, 148676), (2398, 133796), (2573, 124696), (2728, 117611), (2834, 113212), (3224, 99517), (3379, 94952), (3652, 87854), (4316, 74338), (4433, 72376), (4796, 66898), (5146, 62348), (5668, 56606), (6758, 47476), (7304, 43927), (8632, 37169), (8866, 36188), (9047, 35464), (9592, 33449), (10292, 31174), (11336, 28303), (11869, 27032), (13516, 23738), (15587, 20584), (17732, 18094)]