1640790216

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 256

約数和(自身を含む): 5109350400

約数和(自身を除く): 3468560184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 107, 108, 117, 127, 129, 156, 172, 214, 216, 234, 254, 258, 312, 321, 344, 351, 381, 387, 428, 468, 508, 516, 559, 642, 702, 762, 774, 856, 936, 963, 1016, 1032, 1118, 1143, 1161, 1284, 1391, 1404, 1524, 1548, 1651, 1677, 1926, 2236, 2286, 2322, 2568, 2782, 2808, 2889, 3048, 3096, 3302, 3354, 3429, 3852, 4173, 4472, 4572, 4601, 4644, 4953, 5031, 5461, 5564, 5778, 6604, 6708, 6858, 7704, 8346, 9144, 9202, 9288, 9906, 10062, 10922, 11128, 11556, 12519, 13208, 13416, 13589, 13716, 13803, 14859, 15093, 16383, 16692, 18404, 19812, 20124, 21844, 23112, 25038, 27178, 27432, 27606, 29718, 30186, 32766, 33384, 36808, 37557, 39624, 40248, 40767, 41409, 43688, 44577, 49149, 50076, 54356, 55212, 59436, 59813, 60372, 65532, 70993, 75114, 81534, 82818, 89154, 98298, 100152, 108712, 110424, 118872, 119626, 120744, 122301, 124227, 131064, 141986, 147447, 150228, 163068, 165636, 176657, 178308, 179439, 196596, 212979, 239252, 244602, 248454, 283972, 294894, 300456, 326136, 331272, 353314, 356616, 358878, 366903, 393192, 425958, 478504, 489204, 496908, 529971, 538317, 567944, 584327, 589788, 638937, 706628, 717756, 733806, 851916, 978408, 993816, 1059942, 1076634, 1168654, 1179576, 1277874, 1413256, 1435512, 1467612, 1589913, 1614951, 1703832, 1752981, 1916811, 2119884, 2153268, 2337308, 2555748, 2935224, 3179826, 3229902, 3505962, 3833622, 4239768, 4306536, 4674616, 4769739, 5111496, 5258943, 6359652, 6459804, 7011924, 7596251, 7667244, 9539478, 10517886, 12719304, 12919608, 14023848, 15192502, 15334488, 15776829, 19078956, 21035772, 22788753, 30385004, 31553658, 38157912, 42071544, 45577506, 60770008, 63107316, 68366259, 91155012, 126214632, 136732518, 182310024, 205098777, 273465036, 410197554, 546930072, 820395108, 1640790216]

約数ペア:

[(1, 1640790216), (2, 820395108), (3, 546930072), (4, 410197554), (6, 273465036), (8, 205098777), (9, 182310024), (12, 136732518), (13, 126214632), (18, 91155012), (24, 68366259), (26, 63107316), (27, 60770008), (36, 45577506), (39, 42071544), (43, 38157912), (52, 31553658), (54, 30385004), (72, 22788753), (78, 21035772), (86, 19078956), (104, 15776829), (107, 15334488), (108, 15192502), (117, 14023848), (127, 12919608), (129, 12719304), (156, 10517886), (172, 9539478), (214, 7667244), (216, 7596251), (234, 7011924), (254, 6459804), (258, 6359652), (312, 5258943), (321, 5111496), (344, 4769739), (351, 4674616), (381, 4306536), (387, 4239768), (428, 3833622), (468, 3505962), (508, 3229902), (516, 3179826), (559, 2935224), (642, 2555748), (702, 2337308), (762, 2153268), (774, 2119884), (856, 1916811), (936, 1752981), (963, 1703832), (1016, 1614951), (1032, 1589913), (1118, 1467612), (1143, 1435512), (1161, 1413256), (1284, 1277874), (1391, 1179576), (1404, 1168654), (1524, 1076634), (1548, 1059942), (1651, 993816), (1677, 978408), (1926, 851916), (2236, 733806), (2286, 717756), (2322, 706628), (2568, 638937), (2782, 589788), (2808, 584327), (2889, 567944), (3048, 538317), (3096, 529971), (3302, 496908), (3354, 489204), (3429, 478504), (3852, 425958), (4173, 393192), (4472, 366903), (4572, 358878), (4601, 356616), (4644, 353314), (4953, 331272), (5031, 326136), (5461, 300456), (5564, 294894), (5778, 283972), (6604, 248454), (6708, 244602), (6858, 239252), (7704, 212979), (8346, 196596), (9144, 179439), (9202, 178308), (9288, 176657), (9906, 165636), (10062, 163068), (10922, 150228), (11128, 147447), (11556, 141986), (12519, 131064), (13208, 124227), (13416, 122301), (13589, 120744), (13716, 119626), (13803, 118872), (14859, 110424), (15093, 108712), (16383, 100152), (16692, 98298), (18404, 89154), (19812, 82818), (20124, 81534), (21844, 75114), (23112, 70993), (25038, 65532), (27178, 60372), (27432, 59813), (27606, 59436), (29718, 55212), (30186, 54356), (32766, 50076), (33384, 49149), (36808, 44577), (37557, 43688), (39624, 41409), (40248, 40767)]