644528556

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 1978368000

約数和(自身を除く): 1333839444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 127, 137, 147, 189, 196, 252, 254, 274, 294, 343, 378, 381, 411, 441, 508, 548, 588, 686, 756, 762, 822, 882, 889, 959, 1029, 1143, 1233, 1323, 1372, 1524, 1644, 1764, 1778, 1918, 2058, 2286, 2466, 2646, 2667, 2877, 3087, 3429, 3556, 3699, 3836, 4116, 4572, 4932, 5292, 5334, 5754, 6174, 6223, 6713, 6858, 7398, 8001, 8631, 9261, 10668, 11508, 12348, 12446, 13426, 13716, 14796, 16002, 17262, 17399, 18522, 18669, 20139, 24003, 24892, 25893, 26852, 32004, 34524, 34798, 37044, 37338, 40278, 43561, 46991, 48006, 51786, 52197, 56007, 60417, 69596, 74676, 80556, 87122, 93982, 96012, 103572, 104394, 112014, 120834, 121793, 130683, 140973, 156591, 168021, 174244, 181251, 187964, 208788, 224028, 241668, 243586, 261366, 281946, 313182, 336042, 362502, 365379, 392049, 422919, 469773, 487172, 522732, 563892, 626364, 672084, 725004, 730758, 784098, 845838, 852551, 939546, 1096137, 1176147, 1268757, 1461516, 1568196, 1691676, 1705102, 1879092, 2192274, 2352294, 2537514, 2557653, 3288411, 3410204, 4384548, 4704588, 5075028, 5115306, 5967857, 6576822, 7672959, 10230612, 11935714, 13153644, 15345918, 17903571, 23018877, 23871428, 30691836, 35807142, 46037754, 53710713, 71614284, 92075508, 107421426, 161132139, 214842852, 322264278, 644528556]

約数ペア:

[(1, 644528556), (2, 322264278), (3, 214842852), (4, 161132139), (6, 107421426), (7, 92075508), (9, 71614284), (12, 53710713), (14, 46037754), (18, 35807142), (21, 30691836), (27, 23871428), (28, 23018877), (36, 17903571), (42, 15345918), (49, 13153644), (54, 11935714), (63, 10230612), (84, 7672959), (98, 6576822), (108, 5967857), (126, 5115306), (127, 5075028), (137, 4704588), (147, 4384548), (189, 3410204), (196, 3288411), (252, 2557653), (254, 2537514), (274, 2352294), (294, 2192274), (343, 1879092), (378, 1705102), (381, 1691676), (411, 1568196), (441, 1461516), (508, 1268757), (548, 1176147), (588, 1096137), (686, 939546), (756, 852551), (762, 845838), (822, 784098), (882, 730758), (889, 725004), (959, 672084), (1029, 626364), (1143, 563892), (1233, 522732), (1323, 487172), (1372, 469773), (1524, 422919), (1644, 392049), (1764, 365379), (1778, 362502), (1918, 336042), (2058, 313182), (2286, 281946), (2466, 261366), (2646, 243586), (2667, 241668), (2877, 224028), (3087, 208788), (3429, 187964), (3556, 181251), (3699, 174244), (3836, 168021), (4116, 156591), (4572, 140973), (4932, 130683), (5292, 121793), (5334, 120834), (5754, 112014), (6174, 104394), (6223, 103572), (6713, 96012), (6858, 93982), (7398, 87122), (8001, 80556), (8631, 74676), (9261, 69596), (10668, 60417), (11508, 56007), (12348, 52197), (12446, 51786), (13426, 48006), (13716, 46991), (14796, 43561), (16002, 40278), (17262, 37338), (17399, 37044), (18522, 34798), (18669, 34524), (20139, 32004), (24003, 26852), (24892, 25893)]