261637272

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 805109760

約数和(自身を除く): 543472488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 71, 72, 78, 93, 104, 117, 124, 127, 142, 156, 186, 213, 234, 248, 254, 279, 284, 312, 372, 381, 403, 426, 468, 508, 558, 568, 639, 744, 762, 806, 852, 923, 936, 1016, 1116, 1143, 1209, 1278, 1524, 1612, 1651, 1704, 1846, 2201, 2232, 2286, 2418, 2556, 2769, 3048, 3224, 3302, 3627, 3692, 3937, 4402, 4572, 4836, 4953, 5112, 5538, 6603, 6604, 7254, 7384, 7874, 8307, 8804, 9017, 9144, 9672, 9906, 11076, 11811, 13206, 13208, 14508, 14859, 15748, 16614, 17608, 18034, 19809, 19812, 22152, 23622, 26412, 27051, 28613, 29016, 29718, 31496, 33228, 35433, 36068, 39618, 39624, 47244, 51181, 52824, 54102, 57226, 59436, 66456, 70866, 72136, 79236, 81153, 85839, 94488, 102362, 108204, 114452, 117221, 118872, 141732, 153543, 158472, 162306, 171678, 204724, 216408, 228904, 234442, 257517, 279527, 283464, 307086, 324612, 343356, 351663, 409448, 460629, 468884, 515034, 559054, 614172, 649224, 686712, 703326, 838581, 921258, 937768, 1030068, 1054989, 1118108, 1228344, 1406652, 1677162, 1842516, 2060136, 2109978, 2236216, 2515743, 2813304, 3354324, 3633851, 3685032, 4219956, 5031486, 6708648, 7267702, 8439912, 10062972, 10901553, 14535404, 20125944, 21803106, 29070808, 32704659, 43606212, 65409318, 87212424, 130818636, 261637272]

約数ペア:

[(1, 261637272), (2, 130818636), (3, 87212424), (4, 65409318), (6, 43606212), (8, 32704659), (9, 29070808), (12, 21803106), (13, 20125944), (18, 14535404), (24, 10901553), (26, 10062972), (31, 8439912), (36, 7267702), (39, 6708648), (52, 5031486), (62, 4219956), (71, 3685032), (72, 3633851), (78, 3354324), (93, 2813304), (104, 2515743), (117, 2236216), (124, 2109978), (127, 2060136), (142, 1842516), (156, 1677162), (186, 1406652), (213, 1228344), (234, 1118108), (248, 1054989), (254, 1030068), (279, 937768), (284, 921258), (312, 838581), (372, 703326), (381, 686712), (403, 649224), (426, 614172), (468, 559054), (508, 515034), (558, 468884), (568, 460629), (639, 409448), (744, 351663), (762, 343356), (806, 324612), (852, 307086), (923, 283464), (936, 279527), (1016, 257517), (1116, 234442), (1143, 228904), (1209, 216408), (1278, 204724), (1524, 171678), (1612, 162306), (1651, 158472), (1704, 153543), (1846, 141732), (2201, 118872), (2232, 117221), (2286, 114452), (2418, 108204), (2556, 102362), (2769, 94488), (3048, 85839), (3224, 81153), (3302, 79236), (3627, 72136), (3692, 70866), (3937, 66456), (4402, 59436), (4572, 57226), (4836, 54102), (4953, 52824), (5112, 51181), (5538, 47244), (6603, 39624), (6604, 39618), (7254, 36068), (7384, 35433), (7874, 33228), (8307, 31496), (8804, 29718), (9017, 29016), (9144, 28613), (9672, 27051), (9906, 26412), (11076, 23622), (11811, 22152), (13206, 19812), (13208, 19809), (14508, 18034), (14859, 17608), (15748, 16614)]