68240625

素因数分解:

$3^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 118117440

約数和(自身を除く): 49876815

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 251, 375, 435, 625, 725, 753, 1255, 1875, 2175, 3125, 3625, 3765, 6275, 7279, 9375, 10875, 18125, 18825, 21837, 31375, 36395, 54375, 90625, 94125, 109185, 156875, 181975, 271875, 470625, 545925, 784375, 909875, 2353125, 2729625, 4549375, 13648125, 22746875, 68240625]

約数ペア:

[(1, 68240625), (3, 22746875), (5, 13648125), (15, 4549375), (25, 2729625), (29, 2353125), (75, 909875), (87, 784375), (125, 545925), (145, 470625), (251, 271875), (375, 181975), (435, 156875), (625, 109185), (725, 94125), (753, 90625), (1255, 54375), (1875, 36395), (2175, 31375), (3125, 21837), (3625, 18825), (3765, 18125), (6275, 10875), (7279, 9375)]