1311520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1171}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 3544128

約数和(自身を除く): 2232608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1171, 2342, 4684, 5855, 8197, 9368, 11710, 16394, 18736, 23420, 32788, 37472, 40985, 46840, 65576, 81970, 93680, 131152, 163940, 187360, 262304, 327880, 655760, 1311520]

約数ペア:

[(1, 1311520), (2, 655760), (4, 327880), (5, 262304), (7, 187360), (8, 163940), (10, 131152), (14, 93680), (16, 81970), (20, 65576), (28, 46840), (32, 40985), (35, 37472), (40, 32788), (56, 23420), (70, 18736), (80, 16394), (112, 11710), (140, 9368), (160, 8197), (224, 5855), (280, 4684), (560, 2342), (1120, 1171)]