81668520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75619}}^1$

素因数の和:75639

約数の個数: 64

約数和(自身を含む): 272232000

約数和(自身を除く): 190563480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75619, 151238, 226857, 302476, 378095, 453714, 604952, 680571, 756190, 907428, 1134285, 1361142, 1512380, 1814856, 2041713, 2268570, 2722284, 3024760, 3402855, 4083426, 4537140, 5444568, 6805710, 8166852, 9074280, 10208565, 13611420, 16333704, 20417130, 27222840, 40834260, 81668520]

約数ペア:

[(1, 81668520), (2, 40834260), (3, 27222840), (4, 20417130), (5, 16333704), (6, 13611420), (8, 10208565), (9, 9074280), (10, 8166852), (12, 6805710), (15, 5444568), (18, 4537140), (20, 4083426), (24, 3402855), (27, 3024760), (30, 2722284), (36, 2268570), (40, 2041713), (45, 1814856), (54, 1512380), (60, 1361142), (72, 1134285), (90, 907428), (108, 756190), (120, 680571), (135, 604952), (180, 453714), (216, 378095), (270, 302476), (360, 226857), (540, 151238), (1080, 75619)]