81317190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117851}}^1$

素因数の和:117884

約数の個数: 32

約数和(自身を含む): 203648256

約数和(自身を除く): 122331066

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 117851, 235702, 353553, 589255, 707106, 1178510, 1767765, 2710573, 3535530, 5421146, 8131719, 13552865, 16263438, 27105730, 40658595, 81317190]

約数ペア:

[(1, 81317190), (2, 40658595), (3, 27105730), (5, 16263438), (6, 13552865), (10, 8131719), (15, 5421146), (23, 3535530), (30, 2710573), (46, 1767765), (69, 1178510), (115, 707106), (138, 589255), (230, 353553), (345, 235702), (690, 117851)]