30296720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22277}}^1$

素因数の和:22307

約数の個数: 40

約数和(自身を含む): 74586744

約数和(自身を除く): 44290024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22277, 44554, 89108, 111385, 178216, 222770, 356432, 378709, 445540, 757418, 891080, 1514836, 1782160, 1893545, 3029672, 3787090, 6059344, 7574180, 15148360, 30296720]

約数ペア:

[(1, 30296720), (2, 15148360), (4, 7574180), (5, 6059344), (8, 3787090), (10, 3029672), (16, 1893545), (17, 1782160), (20, 1514836), (34, 891080), (40, 757418), (68, 445540), (80, 378709), (85, 356432), (136, 222770), (170, 178216), (272, 111385), (340, 89108), (680, 44554), (1360, 22277)]