81655776

素因数分解:

$2^5\times 3^5\times {\mathrm{10501}}^1$

素因数の和:10526

約数の個数: 72

約数和(自身を含む): 240831864

約数和(自身を除く): 159176088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 3888, 7776, 10501, 21002, 31503, 42004, 63006, 84008, 94509, 126012, 168016, 189018, 252024, 283527, 336032, 378036, 504048, 567054, 756072, 850581, 1008096, 1134108, 1512144, 1701162, 2268216, 2551743, 3024288, 3402324, 4536432, 5103486, 6804648, 9072864, 10206972, 13609296, 20413944, 27218592, 40827888, 81655776]

約数ペア:

[(1, 81655776), (2, 40827888), (3, 27218592), (4, 20413944), (6, 13609296), (8, 10206972), (9, 9072864), (12, 6804648), (16, 5103486), (18, 4536432), (24, 3402324), (27, 3024288), (32, 2551743), (36, 2268216), (48, 1701162), (54, 1512144), (72, 1134108), (81, 1008096), (96, 850581), (108, 756072), (144, 567054), (162, 504048), (216, 378036), (243, 336032), (288, 283527), (324, 252024), (432, 189018), (486, 168016), (648, 126012), (864, 94509), (972, 84008), (1296, 63006), (1944, 42004), (2592, 31503), (3888, 21002), (7776, 10501)]