31278630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24247}}^1$

素因数の和:24300

約数の個数: 32

約数和(自身を含む): 76817664

約数和(自身を除く): 45539034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 24247, 48494, 72741, 121235, 145482, 242470, 363705, 727410, 1042621, 2085242, 3127863, 5213105, 6255726, 10426210, 15639315, 31278630]

約数ペア:

[(1, 31278630), (2, 15639315), (3, 10426210), (5, 6255726), (6, 5213105), (10, 3127863), (15, 2085242), (30, 1042621), (43, 727410), (86, 363705), (129, 242470), (215, 145482), (258, 121235), (430, 72741), (645, 48494), (1290, 24247)]