2220420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 6491520

約数和(自身を除く): 4271100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 1609, 3218, 4827, 6436, 8045, 9654, 16090, 19308, 24135, 32180, 37007, 48270, 74014, 96540, 111021, 148028, 185035, 222042, 370070, 444084, 555105, 740140, 1110210, 2220420]

約数ペア:

[(1, 2220420), (2, 1110210), (3, 740140), (4, 555105), (5, 444084), (6, 370070), (10, 222042), (12, 185035), (15, 148028), (20, 111021), (23, 96540), (30, 74014), (46, 48270), (60, 37007), (69, 32180), (92, 24135), (115, 19308), (138, 16090), (230, 9654), (276, 8045), (345, 6436), (460, 4827), (690, 3218), (1380, 1609)]