1640894796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2908

約数の個数: 144

約数和(自身を含む): 4680748800

約数和(自身を除く): 3039854004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 37, 38, 46, 57, 69, 74, 76, 92, 111, 114, 138, 148, 171, 207, 222, 228, 276, 333, 342, 414, 437, 444, 666, 684, 703, 828, 851, 874, 1311, 1332, 1406, 1702, 1748, 2109, 2553, 2622, 2812, 2819, 3404, 3933, 4218, 5106, 5244, 5638, 6327, 7659, 7866, 8436, 8457, 10212, 11276, 12654, 15318, 15732, 16169, 16914, 25308, 25371, 30636, 32338, 33828, 48507, 50742, 53561, 64676, 64837, 97014, 101484, 104303, 107122, 129674, 145521, 160683, 194028, 194511, 208606, 214244, 259348, 291042, 312909, 321366, 389022, 417212, 482049, 582084, 583533, 625818, 642732, 778044, 938727, 964098, 1167066, 1231903, 1251636, 1877454, 1928196, 1981757, 2334132, 2398969, 2463806, 3695709, 3754908, 3963514, 4797938, 4927612, 5945271, 7196907, 7391418, 7927028, 9595876, 11087127, 11890542, 14393814, 14782836, 17835813, 21590721, 22174254, 23781084, 28787628, 35671626, 43181442, 44348508, 45580411, 71343252, 86362884, 91160822, 136741233, 182321644, 273482466, 410223699, 546964932, 820447398, 1640894796]

約数ペア:

[(1, 1640894796), (2, 820447398), (3, 546964932), (4, 410223699), (6, 273482466), (9, 182321644), (12, 136741233), (18, 91160822), (19, 86362884), (23, 71343252), (36, 45580411), (37, 44348508), (38, 43181442), (46, 35671626), (57, 28787628), (69, 23781084), (74, 22174254), (76, 21590721), (92, 17835813), (111, 14782836), (114, 14393814), (138, 11890542), (148, 11087127), (171, 9595876), (207, 7927028), (222, 7391418), (228, 7196907), (276, 5945271), (333, 4927612), (342, 4797938), (414, 3963514), (437, 3754908), (444, 3695709), (666, 2463806), (684, 2398969), (703, 2334132), (828, 1981757), (851, 1928196), (874, 1877454), (1311, 1251636), (1332, 1231903), (1406, 1167066), (1702, 964098), (1748, 938727), (2109, 778044), (2553, 642732), (2622, 625818), (2812, 583533), (2819, 582084), (3404, 482049), (3933, 417212), (4218, 389022), (5106, 321366), (5244, 312909), (5638, 291042), (6327, 259348), (7659, 214244), (7866, 208606), (8436, 194511), (8457, 194028), (10212, 160683), (11276, 145521), (12654, 129674), (15318, 107122), (15732, 104303), (16169, 101484), (16914, 97014), (25308, 64837), (25371, 64676), (30636, 53561), (32338, 50742), (33828, 48507)]