80814420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448969}}^1$

素因数の和:448984

約数の個数: 36

約数和(自身を含む): 245137620

約数和(自身を除く): 164323200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448969, 897938, 1346907, 1795876, 2244845, 2693814, 4040721, 4489690, 5387628, 6734535, 8081442, 8979380, 13469070, 16162884, 20203605, 26938140, 40407210, 80814420]

約数ペア:

[(1, 80814420), (2, 40407210), (3, 26938140), (4, 20203605), (5, 16162884), (6, 13469070), (9, 8979380), (10, 8081442), (12, 6734535), (15, 5387628), (18, 4489690), (20, 4040721), (30, 2693814), (36, 2244845), (45, 1795876), (60, 1346907), (90, 897938), (180, 448969)]