156908480

素因数分解:

$2^6\times 5^1\times {\mathrm{490339}}^1$

素因数の和:490356

約数の個数: 28

約数和(自身を含む): 373639080

約数和(自身を除く): 216730600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490339, 980678, 1961356, 2451695, 3922712, 4903390, 7845424, 9806780, 15690848, 19613560, 31381696, 39227120, 78454240, 156908480]

約数ペア:

[(1, 156908480), (2, 78454240), (4, 39227120), (5, 31381696), (8, 19613560), (10, 15690848), (16, 9806780), (20, 7845424), (32, 4903390), (40, 3922712), (64, 2451695), (80, 1961356), (160, 980678), (320, 490339)]