156922640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280219}}^1$

素因数の和:280239

約数の個数: 40

約数和(自身を含む): 416967360

約数和(自身を除く): 260044720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280219, 560438, 1120876, 1401095, 1961533, 2241752, 2802190, 3923066, 4483504, 5604380, 7846132, 9807665, 11208760, 15692264, 19615330, 22417520, 31384528, 39230660, 78461320, 156922640]

約数ペア:

[(1, 156922640), (2, 78461320), (4, 39230660), (5, 31384528), (7, 22417520), (8, 19615330), (10, 15692264), (14, 11208760), (16, 9807665), (20, 7846132), (28, 5604380), (35, 4483504), (40, 3923066), (56, 2802190), (70, 2241752), (80, 1961533), (112, 1401095), (140, 1120876), (280, 560438), (560, 280219)]