156988801720

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{2277841}}^1$

素因数の和:2279575

約数の個数: 32

約数和(自身を含む): 353429964720

約数和(自身を除く): 196441163000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 3446, 6892, 8615, 13784, 17230, 34460, 68920, 2277841, 4555682, 9111364, 11389205, 18222728, 22778410, 45556820, 91113640, 3924720043, 7849440086, 15698880172, 19623600215, 31397760344, 39247200430, 78494400860, 156988801720]

約数ペア:

[(1, 156988801720), (2, 78494400860), (4, 39247200430), (5, 31397760344), (8, 19623600215), (10, 15698880172), (20, 7849440086), (40, 3924720043), (1723, 91113640), (3446, 45556820), (6892, 22778410), (8615, 18222728), (13784, 11389205), (17230, 9111364), (34460, 4555682), (68920, 2277841)]