1640481690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{3571}}^1\times {\mathrm{15313}}^1$

素因数の和:18894

約数の個数: 32

約数和(自身を含む): 3938515776

約数和(自身を除く): 2298034086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 3571, 7142, 10713, 15313, 17855, 21426, 30626, 35710, 45939, 53565, 76565, 91878, 107130, 153130, 229695, 459390, 54682723, 109365446, 164048169, 273413615, 328096338, 546827230, 820240845, 1640481690]

約数ペア:

[(1, 1640481690), (2, 820240845), (3, 546827230), (5, 328096338), (6, 273413615), (10, 164048169), (15, 109365446), (30, 54682723), (3571, 459390), (7142, 229695), (10713, 153130), (15313, 107130), (17855, 91878), (21426, 76565), (30626, 53565), (35710, 45939)]