72979360

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1039}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 172972800

約数和(自身を除く): 99993440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1039, 1756, 2078, 2195, 3512, 4156, 4390, 5195, 7024, 8312, 8780, 10390, 14048, 16624, 17560, 20780, 33248, 35120, 41560, 70240, 83120, 166240, 456121, 912242, 1824484, 2280605, 3648968, 4561210, 7297936, 9122420, 14595872, 18244840, 36489680, 72979360]

約数ペア:

[(1, 72979360), (2, 36489680), (4, 18244840), (5, 14595872), (8, 9122420), (10, 7297936), (16, 4561210), (20, 3648968), (32, 2280605), (40, 1824484), (80, 912242), (160, 456121), (439, 166240), (878, 83120), (1039, 70240), (1756, 41560), (2078, 35120), (2195, 33248), (3512, 20780), (4156, 17560), (4390, 16624), (5195, 14048), (7024, 10390), (8312, 8780)]