156620480

素因数分解:

$2^6\times 5^1\times {\mathrm{489439}}^1$

素因数の和:489456

約数の個数: 28

約数和(自身を含む): 372953280

約数和(自身を除く): 216332800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 489439, 978878, 1957756, 2447195, 3915512, 4894390, 7831024, 9788780, 15662048, 19577560, 31324096, 39155120, 78310240, 156620480]

約数ペア:

[(1, 156620480), (2, 78310240), (4, 39155120), (5, 31324096), (8, 19577560), (10, 15662048), (16, 9788780), (20, 7831024), (32, 4894390), (40, 3915512), (64, 2447195), (80, 1957756), (160, 978878), (320, 489439)]