255355920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{354661}}^1$

素因数の和:354680

約数の個数: 60

約数和(自身を含む): 857572716

約数和(自身を除く): 602216796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 354661, 709322, 1063983, 1418644, 1773305, 2127966, 2837288, 3191949, 3546610, 4255932, 5319915, 5674576, 6383898, 7093220, 8511864, 10639830, 12767796, 14186440, 15959745, 17023728, 21279660, 25535592, 28372880, 31919490, 42559320, 51071184, 63838980, 85118640, 127677960, 255355920]

約数ペア:

[(1, 255355920), (2, 127677960), (3, 85118640), (4, 63838980), (5, 51071184), (6, 42559320), (8, 31919490), (9, 28372880), (10, 25535592), (12, 21279660), (15, 17023728), (16, 15959745), (18, 14186440), (20, 12767796), (24, 10639830), (30, 8511864), (36, 7093220), (40, 6383898), (45, 5674576), (48, 5319915), (60, 4255932), (72, 3546610), (80, 3191949), (90, 2837288), (120, 2127966), (144, 1773305), (180, 1418644), (240, 1063983), (360, 709322), (720, 354661)]