30696820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 83091456

約数和(自身を除く): 52394636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 643, 682, 770, 868, 1085, 1286, 1364, 1540, 1705, 2170, 2387, 2572, 3215, 3410, 4340, 4501, 4774, 6430, 6820, 7073, 9002, 9548, 11935, 12860, 14146, 18004, 19933, 22505, 23870, 28292, 35365, 39866, 45010, 47740, 49511, 70730, 79732, 90020, 99022, 99665, 139531, 141460, 198044, 199330, 219263, 247555, 279062, 398660, 438526, 495110, 558124, 697655, 877052, 990220, 1096315, 1395310, 1534841, 2192630, 2790620, 3069682, 4385260, 6139364, 7674205, 15348410, 30696820]

約数ペア:

[(1, 30696820), (2, 15348410), (4, 7674205), (5, 6139364), (7, 4385260), (10, 3069682), (11, 2790620), (14, 2192630), (20, 1534841), (22, 1395310), (28, 1096315), (31, 990220), (35, 877052), (44, 697655), (55, 558124), (62, 495110), (70, 438526), (77, 398660), (110, 279062), (124, 247555), (140, 219263), (154, 199330), (155, 198044), (217, 141460), (220, 139531), (308, 99665), (310, 99022), (341, 90020), (385, 79732), (434, 70730), (620, 49511), (643, 47740), (682, 45010), (770, 39866), (868, 35365), (1085, 28292), (1286, 23870), (1364, 22505), (1540, 19933), (1705, 18004), (2170, 14146), (2387, 12860), (2572, 11935), (3215, 9548), (3410, 9002), (4340, 7073), (4501, 6820), (4774, 6430)]