73827680

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2939}}^1$

素因数の和:3111

約数の個数: 48

約数和(自身を含む): 175588560

約数和(自身を除く): 101760880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 2939, 3140, 5024, 5878, 6280, 11756, 12560, 14695, 23512, 25120, 29390, 47024, 58780, 94048, 117560, 235120, 461423, 470240, 922846, 1845692, 2307115, 3691384, 4614230, 7382768, 9228460, 14765536, 18456920, 36913840, 73827680]

約数ペア:

[(1, 73827680), (2, 36913840), (4, 18456920), (5, 14765536), (8, 9228460), (10, 7382768), (16, 4614230), (20, 3691384), (32, 2307115), (40, 1845692), (80, 922846), (157, 470240), (160, 461423), (314, 235120), (628, 117560), (785, 94048), (1256, 58780), (1570, 47024), (2512, 29390), (2939, 25120), (3140, 23512), (5024, 14695), (5878, 12560), (6280, 11756)]