30681760

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1697}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 73170216

約数和(自身を除く): 42488456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1697, 1808, 2260, 3394, 3616, 4520, 6788, 8485, 9040, 13576, 16970, 18080, 27152, 33940, 54304, 67880, 135760, 191761, 271520, 383522, 767044, 958805, 1534088, 1917610, 3068176, 3835220, 6136352, 7670440, 15340880, 30681760]

約数ペア:

[(1, 30681760), (2, 15340880), (4, 7670440), (5, 6136352), (8, 3835220), (10, 3068176), (16, 1917610), (20, 1534088), (32, 958805), (40, 767044), (80, 383522), (113, 271520), (160, 191761), (226, 135760), (452, 67880), (565, 54304), (904, 33940), (1130, 27152), (1697, 18080), (1808, 16970), (2260, 13576), (3394, 9040), (3616, 8485), (4520, 6788)]