215520810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{312349}}^1$

素因数の和:312382

約数の個数: 32

約数和(自身を含む): 539740800

約数和(自身を除く): 324219990

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 312349, 624698, 937047, 1561745, 1874094, 3123490, 4685235, 7184027, 9370470, 14368054, 21552081, 35920135, 43104162, 71840270, 107760405, 215520810]

約数ペア:

[(1, 215520810), (2, 107760405), (3, 71840270), (5, 43104162), (6, 35920135), (10, 21552081), (15, 14368054), (23, 9370470), (30, 7184027), (46, 4685235), (69, 3123490), (115, 1874094), (138, 1561745), (230, 937047), (345, 624698), (690, 312349)]