1990447632

素因数分解:

$2^4\times 3^2\times {\mathrm{127}}^2\times {\mathrm{857}}^1$

素因数の和:1125

約数の個数: 90

約数和(自身を含む): 5621247918

約数和(自身を除く): 3630800286

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 127, 144, 254, 381, 508, 762, 857, 1016, 1143, 1524, 1714, 2032, 2286, 2571, 3048, 3428, 4572, 5142, 6096, 6856, 7713, 9144, 10284, 13712, 15426, 16129, 18288, 20568, 30852, 32258, 41136, 48387, 61704, 64516, 96774, 108839, 123408, 129032, 145161, 193548, 217678, 258064, 290322, 326517, 387096, 435356, 580644, 653034, 774192, 870712, 979551, 1161288, 1306068, 1741424, 1959102, 2322576, 2612136, 3918204, 5224272, 7836408, 13822553, 15672816, 27645106, 41467659, 55290212, 82935318, 110580424, 124402977, 165870636, 221160848, 248805954, 331741272, 497611908, 663482544, 995223816, 1990447632]

約数ペア:

[(1, 1990447632), (2, 995223816), (3, 663482544), (4, 497611908), (6, 331741272), (8, 248805954), (9, 221160848), (12, 165870636), (16, 124402977), (18, 110580424), (24, 82935318), (36, 55290212), (48, 41467659), (72, 27645106), (127, 15672816), (144, 13822553), (254, 7836408), (381, 5224272), (508, 3918204), (762, 2612136), (857, 2322576), (1016, 1959102), (1143, 1741424), (1524, 1306068), (1714, 1161288), (2032, 979551), (2286, 870712), (2571, 774192), (3048, 653034), (3428, 580644), (4572, 435356), (5142, 387096), (6096, 326517), (6856, 290322), (7713, 258064), (9144, 217678), (10284, 193548), (13712, 145161), (15426, 129032), (16129, 123408), (18288, 108839), (20568, 96774), (30852, 64516), (32258, 61704), (41136, 48387)]