81657264

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 229485312

約数和(自身を除く): 147828048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 107, 156, 208, 214, 312, 321, 428, 624, 642, 856, 1223, 1284, 1391, 1712, 2446, 2568, 2782, 3669, 4173, 4892, 5136, 5564, 7338, 8346, 9784, 11128, 14676, 15899, 16692, 19568, 22256, 29352, 31798, 33384, 47697, 58704, 63596, 66768, 95394, 127192, 130861, 190788, 254384, 261722, 381576, 392583, 523444, 763152, 785166, 1046888, 1570332, 1701193, 2093776, 3140664, 3402386, 5103579, 6281328, 6804772, 10207158, 13609544, 20414316, 27219088, 40828632, 81657264]

約数ペア:

[(1, 81657264), (2, 40828632), (3, 27219088), (4, 20414316), (6, 13609544), (8, 10207158), (12, 6804772), (13, 6281328), (16, 5103579), (24, 3402386), (26, 3140664), (39, 2093776), (48, 1701193), (52, 1570332), (78, 1046888), (104, 785166), (107, 763152), (156, 523444), (208, 392583), (214, 381576), (312, 261722), (321, 254384), (428, 190788), (624, 130861), (642, 127192), (856, 95394), (1223, 66768), (1284, 63596), (1391, 58704), (1712, 47697), (2446, 33384), (2568, 31798), (2782, 29352), (3669, 22256), (4173, 19568), (4892, 16692), (5136, 15899), (5564, 14676), (7338, 11128), (8346, 9784)]