71815968

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{727}}^1$

素因数の和:764

約数の個数: 144

約数和(自身を含む): 238492800

約数和(自身を除く): 166676832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 343, 392, 441, 504, 588, 672, 686, 727, 784, 882, 1008, 1029, 1176, 1372, 1454, 1568, 1764, 2016, 2058, 2181, 2352, 2744, 2908, 3087, 3528, 4116, 4362, 4704, 5089, 5488, 5816, 6174, 6543, 7056, 8232, 8724, 10178, 10976, 11632, 12348, 13086, 14112, 15267, 16464, 17448, 20356, 23264, 24696, 26172, 30534, 32928, 34896, 35623, 40712, 45801, 49392, 52344, 61068, 69792, 71246, 81424, 91602, 98784, 104688, 106869, 122136, 142492, 162848, 183204, 209376, 213738, 244272, 249361, 284984, 320607, 366408, 427476, 488544, 498722, 569968, 641214, 732816, 748083, 854952, 997444, 1139936, 1282428, 1465632, 1496166, 1709904, 1994888, 2244249, 2564856, 2992332, 3419808, 3989776, 4488498, 5129712, 5984664, 7979552, 8976996, 10259424, 11969328, 17953992, 23938656, 35907984, 71815968]

約数ペア:

[(1, 71815968), (2, 35907984), (3, 23938656), (4, 17953992), (6, 11969328), (7, 10259424), (8, 8976996), (9, 7979552), (12, 5984664), (14, 5129712), (16, 4488498), (18, 3989776), (21, 3419808), (24, 2992332), (28, 2564856), (32, 2244249), (36, 1994888), (42, 1709904), (48, 1496166), (49, 1465632), (56, 1282428), (63, 1139936), (72, 997444), (84, 854952), (96, 748083), (98, 732816), (112, 641214), (126, 569968), (144, 498722), (147, 488544), (168, 427476), (196, 366408), (224, 320607), (252, 284984), (288, 249361), (294, 244272), (336, 213738), (343, 209376), (392, 183204), (441, 162848), (504, 142492), (588, 122136), (672, 106869), (686, 104688), (727, 98784), (784, 91602), (882, 81424), (1008, 71246), (1029, 69792), (1176, 61068), (1372, 52344), (1454, 49392), (1568, 45801), (1764, 40712), (2016, 35623), (2058, 34896), (2181, 32928), (2352, 30534), (2744, 26172), (2908, 24696), (3087, 23264), (3528, 20356), (4116, 17448), (4362, 16464), (4704, 15267), (5089, 14112), (5488, 13086), (5816, 12348), (6174, 11632), (6543, 10976), (7056, 10178), (8232, 8724)]