30782840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 77362560

約数和(自身を除く): 46579720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1627, 1720, 1892, 2365, 3254, 3784, 4730, 6508, 8135, 9460, 13016, 16270, 17897, 18920, 32540, 35794, 65080, 69961, 71588, 89485, 139922, 143176, 178970, 279844, 349805, 357940, 559688, 699610, 715880, 769571, 1399220, 1539142, 2798440, 3078284, 3847855, 6156568, 7695710, 15391420, 30782840]

約数ペア:

[(1, 30782840), (2, 15391420), (4, 7695710), (5, 6156568), (8, 3847855), (10, 3078284), (11, 2798440), (20, 1539142), (22, 1399220), (40, 769571), (43, 715880), (44, 699610), (55, 559688), (86, 357940), (88, 349805), (110, 279844), (172, 178970), (215, 143176), (220, 139922), (344, 89485), (430, 71588), (440, 69961), (473, 65080), (860, 35794), (946, 32540), (1627, 18920), (1720, 17897), (1892, 16270), (2365, 13016), (3254, 9460), (3784, 8135), (4730, 6508)]