64403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 160375488

約数和(自身を除く): 95971708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 547, 580, 812, 841, 1015, 1094, 1682, 2030, 2188, 2735, 3364, 3829, 4060, 4205, 5470, 5887, 7658, 8410, 10940, 11774, 15316, 15863, 16820, 19145, 23548, 29435, 31726, 38290, 58870, 63452, 76580, 79315, 111041, 117740, 158630, 222082, 317260, 444164, 460027, 555205, 920054, 1110410, 1840108, 2220820, 2300135, 3220189, 4600270, 6440378, 9200540, 12880756, 16100945, 32201890, 64403780]

約数ペア:

[(1, 64403780), (2, 32201890), (4, 16100945), (5, 12880756), (7, 9200540), (10, 6440378), (14, 4600270), (20, 3220189), (28, 2300135), (29, 2220820), (35, 1840108), (58, 1110410), (70, 920054), (116, 555205), (140, 460027), (145, 444164), (203, 317260), (290, 222082), (406, 158630), (547, 117740), (580, 111041), (812, 79315), (841, 76580), (1015, 63452), (1094, 58870), (1682, 38290), (2030, 31726), (2188, 29435), (2735, 23548), (3364, 19145), (3829, 16820), (4060, 15863), (4205, 15316), (5470, 11774), (5887, 10940), (7658, 8410)]