72307760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129121}}^1$

素因数の和:129141

約数の個数: 40

約数和(自身を含む): 192133536

約数和(自身を除く): 119825776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129121, 258242, 516484, 645605, 903847, 1032968, 1291210, 1807694, 2065936, 2582420, 3615388, 4519235, 5164840, 7230776, 9038470, 10329680, 14461552, 18076940, 36153880, 72307760]

約数ペア:

[(1, 72307760), (2, 36153880), (4, 18076940), (5, 14461552), (7, 10329680), (8, 9038470), (10, 7230776), (14, 5164840), (16, 4519235), (20, 3615388), (28, 2582420), (35, 2065936), (40, 1807694), (56, 1291210), (70, 1032968), (80, 903847), (112, 645605), (140, 516484), (280, 258242), (560, 129121)]