15691338640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11537749}}^1$

素因数の和:11537779

約数の個数: 40

約数和(自身を含む): 38628387000

約数和(自身を除く): 22937048360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11537749, 23075498, 46150996, 57688745, 92301992, 115377490, 184603984, 196141733, 230754980, 392283466, 461509960, 784566932, 923019920, 980708665, 1569133864, 1961417330, 3138267728, 3922834660, 7845669320, 15691338640]

約数ペア:

[(1, 15691338640), (2, 7845669320), (4, 3922834660), (5, 3138267728), (8, 1961417330), (10, 1569133864), (16, 980708665), (17, 923019920), (20, 784566932), (34, 461509960), (40, 392283466), (68, 230754980), (80, 196141733), (85, 184603984), (136, 115377490), (170, 92301992), (272, 57688745), (340, 46150996), (680, 23075498), (1360, 11537749)]