255720816

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{136603}}^1$

素因数の和:136630

約数の個数: 60

約数和(自身を含む): 770719768

約数和(自身を除く): 514998952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 136603, 273206, 409809, 546412, 819618, 1092824, 1229427, 1639236, 1775839, 2185648, 2458854, 3278472, 3551678, 4917708, 5327517, 6556944, 7103356, 9835416, 10655034, 14206712, 15982551, 19670832, 21310068, 28413424, 31965102, 42620136, 63930204, 85240272, 127860408, 255720816]

約数ペア:

[(1, 255720816), (2, 127860408), (3, 85240272), (4, 63930204), (6, 42620136), (8, 31965102), (9, 28413424), (12, 21310068), (13, 19670832), (16, 15982551), (18, 14206712), (24, 10655034), (26, 9835416), (36, 7103356), (39, 6556944), (48, 5327517), (52, 4917708), (72, 3551678), (78, 3278472), (104, 2458854), (117, 2185648), (144, 1775839), (156, 1639236), (208, 1229427), (234, 1092824), (312, 819618), (468, 546412), (624, 409809), (936, 273206), (1872, 136603)]