48520780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 129830400

約数和(自身を除く): 81309620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 643, 686, 770, 980, 1078, 1286, 1372, 1540, 1715, 2156, 2572, 2695, 3215, 3430, 3773, 4501, 5390, 6430, 6860, 7073, 7546, 9002, 10780, 12860, 14146, 15092, 18004, 18865, 22505, 28292, 31507, 35365, 37730, 45010, 49511, 63014, 70730, 75460, 90020, 99022, 126028, 141460, 157535, 198044, 220549, 247555, 315070, 346577, 441098, 495110, 630140, 693154, 882196, 990220, 1102745, 1386308, 1732885, 2205490, 2426039, 3465770, 4410980, 4852078, 6931540, 9704156, 12130195, 24260390, 48520780]

約数ペア:

[(1, 48520780), (2, 24260390), (4, 12130195), (5, 9704156), (7, 6931540), (10, 4852078), (11, 4410980), (14, 3465770), (20, 2426039), (22, 2205490), (28, 1732885), (35, 1386308), (44, 1102745), (49, 990220), (55, 882196), (70, 693154), (77, 630140), (98, 495110), (110, 441098), (140, 346577), (154, 315070), (196, 247555), (220, 220549), (245, 198044), (308, 157535), (343, 141460), (385, 126028), (490, 99022), (539, 90020), (643, 75460), (686, 70730), (770, 63014), (980, 49511), (1078, 45010), (1286, 37730), (1372, 35365), (1540, 31507), (1715, 28292), (2156, 22505), (2572, 18865), (2695, 18004), (3215, 15092), (3430, 14146), (3773, 12860), (4501, 10780), (5390, 9002), (6430, 7546), (6860, 7073)]