157111720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126703}}^1$

素因数の和:126745

約数の個数: 32

約数和(自身を含む): 364907520

約数和(自身を除く): 207795800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126703, 253406, 506812, 633515, 1013624, 1267030, 2534060, 3927793, 5068120, 7855586, 15711172, 19638965, 31422344, 39277930, 78555860, 157111720]

約数ペア:

[(1, 157111720), (2, 78555860), (4, 39277930), (5, 31422344), (8, 19638965), (10, 15711172), (20, 7855586), (31, 5068120), (40, 3927793), (62, 2534060), (124, 1267030), (155, 1013624), (248, 633515), (310, 506812), (620, 253406), (1240, 126703)]