28685070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 77172480

約数和(自身を除く): 48487410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 262, 270, 393, 655, 786, 811, 1179, 1310, 1622, 1965, 2358, 2433, 3537, 3930, 4055, 4866, 5895, 7074, 7299, 8110, 11790, 12165, 14598, 17685, 21897, 24330, 35370, 36495, 43794, 72990, 106241, 109485, 212482, 218970, 318723, 531205, 637446, 956169, 1062410, 1593615, 1912338, 2868507, 3187230, 4780845, 5737014, 9561690, 14342535, 28685070]

約数ペア:

[(1, 28685070), (2, 14342535), (3, 9561690), (5, 5737014), (6, 4780845), (9, 3187230), (10, 2868507), (15, 1912338), (18, 1593615), (27, 1062410), (30, 956169), (45, 637446), (54, 531205), (90, 318723), (131, 218970), (135, 212482), (262, 109485), (270, 106241), (393, 72990), (655, 43794), (786, 36495), (811, 35370), (1179, 24330), (1310, 21897), (1622, 17685), (1965, 14598), (2358, 12165), (2433, 11790), (3537, 8110), (3930, 7299), (4055, 7074), (4866, 5895)]