645457140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1195291}}^1$

素因数の和:1195309

約数の個数: 48

約数和(自身を含む): 2008090560

約数和(自身を除く): 1362633420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1195291, 2390582, 3585873, 4781164, 5976455, 7171746, 10757619, 11952910, 14343492, 17929365, 21515238, 23905820, 32272857, 35858730, 43030476, 53788095, 64545714, 71717460, 107576190, 129091428, 161364285, 215152380, 322728570, 645457140]

約数ペア:

[(1, 645457140), (2, 322728570), (3, 215152380), (4, 161364285), (5, 129091428), (6, 107576190), (9, 71717460), (10, 64545714), (12, 53788095), (15, 43030476), (18, 35858730), (20, 32272857), (27, 23905820), (30, 21515238), (36, 17929365), (45, 14343492), (54, 11952910), (60, 10757619), (90, 7171746), (108, 5976455), (135, 4781164), (180, 3585873), (270, 2390582), (540, 1195291)]