154490240

素因数分解:

$2^7\times 5^1\times {\mathrm{241391}}^1$

素因数の和:241410

約数の個数: 32

約数和(自身を含む): 369329760

約数和(自身を除く): 214839520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 241391, 482782, 965564, 1206955, 1931128, 2413910, 3862256, 4827820, 7724512, 9655640, 15449024, 19311280, 30898048, 38622560, 77245120, 154490240]

約数ペア:

[(1, 154490240), (2, 77245120), (4, 38622560), (5, 30898048), (8, 19311280), (10, 15449024), (16, 9655640), (20, 7724512), (32, 4827820), (40, 3862256), (64, 2413910), (80, 1931128), (128, 1206955), (160, 965564), (320, 482782), (640, 241391)]