90806970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70393}}^1$

素因数の和:70446

約数の個数: 32

約数和(自身を含む): 223008192

約数和(自身を除く): 132201222

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 70393, 140786, 211179, 351965, 422358, 703930, 1055895, 2111790, 3026899, 6053798, 9080697, 15134495, 18161394, 30268990, 45403485, 90806970]

約数ペア:

[(1, 90806970), (2, 45403485), (3, 30268990), (5, 18161394), (6, 15134495), (10, 9080697), (15, 6053798), (30, 3026899), (43, 2111790), (86, 1055895), (129, 703930), (215, 422358), (258, 351965), (430, 211179), (645, 140786), (1290, 70393)]