261589536

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:779

約数の個数: 144

約数和(自身を含む): 809728920

約数和(自身を除く): 548139384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 109, 117, 144, 156, 208, 218, 234, 288, 312, 327, 416, 436, 468, 624, 641, 654, 872, 936, 981, 1248, 1282, 1308, 1417, 1744, 1872, 1923, 1962, 2564, 2616, 2834, 3488, 3744, 3846, 3924, 4251, 5128, 5232, 5668, 5769, 7692, 7848, 8333, 8502, 10256, 10464, 11336, 11538, 12753, 15384, 15696, 16666, 17004, 20512, 22672, 23076, 24999, 25506, 30768, 31392, 33332, 34008, 45344, 46152, 49998, 51012, 61536, 66664, 68016, 69869, 74997, 92304, 99996, 102024, 133328, 136032, 139738, 149994, 184608, 199992, 204048, 209607, 266656, 279476, 299988, 399984, 408096, 419214, 558952, 599976, 628821, 799968, 838428, 908297, 1117904, 1199952, 1257642, 1676856, 1816594, 2235808, 2399904, 2515284, 2724891, 3353712, 3633188, 5030568, 5449782, 6707424, 7266376, 8174673, 10061136, 10899564, 14532752, 16349346, 20122272, 21799128, 29065504, 32698692, 43598256, 65397384, 87196512, 130794768, 261589536]

約数ペア:

[(1, 261589536), (2, 130794768), (3, 87196512), (4, 65397384), (6, 43598256), (8, 32698692), (9, 29065504), (12, 21799128), (13, 20122272), (16, 16349346), (18, 14532752), (24, 10899564), (26, 10061136), (32, 8174673), (36, 7266376), (39, 6707424), (48, 5449782), (52, 5030568), (72, 3633188), (78, 3353712), (96, 2724891), (104, 2515284), (109, 2399904), (117, 2235808), (144, 1816594), (156, 1676856), (208, 1257642), (218, 1199952), (234, 1117904), (288, 908297), (312, 838428), (327, 799968), (416, 628821), (436, 599976), (468, 558952), (624, 419214), (641, 408096), (654, 399984), (872, 299988), (936, 279476), (981, 266656), (1248, 209607), (1282, 204048), (1308, 199992), (1417, 184608), (1744, 149994), (1872, 139738), (1923, 136032), (1962, 133328), (2564, 102024), (2616, 99996), (2834, 92304), (3488, 74997), (3744, 69869), (3846, 68016), (3924, 66664), (4251, 61536), (5128, 51012), (5232, 49998), (5668, 46152), (5769, 45344), (7692, 34008), (7848, 33332), (8333, 31392), (8502, 30768), (10256, 25506), (10464, 24999), (11336, 23076), (11538, 22672), (12753, 20512), (15384, 17004), (15696, 16666)]