165771880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3194

約数の個数: 64

約数和(自身を含む): 394099200

約数和(自身を除く): 228327320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 3109, 5332, 6218, 6665, 10664, 12436, 13330, 15545, 24872, 26660, 31090, 53320, 62180, 96379, 124360, 133687, 192758, 267374, 385516, 481895, 534748, 668435, 771032, 963790, 1069496, 1336870, 1927580, 2673740, 3855160, 4144297, 5347480, 8288594, 16577188, 20721485, 33154376, 41442970, 82885940, 165771880]

約数ペア:

[(1, 165771880), (2, 82885940), (4, 41442970), (5, 33154376), (8, 20721485), (10, 16577188), (20, 8288594), (31, 5347480), (40, 4144297), (43, 3855160), (62, 2673740), (86, 1927580), (124, 1336870), (155, 1069496), (172, 963790), (215, 771032), (248, 668435), (310, 534748), (344, 481895), (430, 385516), (620, 267374), (860, 192758), (1240, 133687), (1333, 124360), (1720, 96379), (2666, 62180), (3109, 53320), (5332, 31090), (6218, 26660), (6665, 24872), (10664, 15545), (12436, 13330)]