80386740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63799}}^1$

素因数の和:63821

約数の個数: 72

約数和(自身を含む): 278678400

約数和(自身を除く): 198291660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63799, 127598, 191397, 255196, 318995, 382794, 446593, 574191, 637990, 765588, 893186, 956985, 1148382, 1275980, 1339779, 1786372, 1913970, 2232965, 2296764, 2679558, 2870955, 3827940, 4019337, 4465930, 5359116, 5741910, 6698895, 8038674, 8931860, 11483820, 13397790, 16077348, 20096685, 26795580, 40193370, 80386740]

約数ペア:

[(1, 80386740), (2, 40193370), (3, 26795580), (4, 20096685), (5, 16077348), (6, 13397790), (7, 11483820), (9, 8931860), (10, 8038674), (12, 6698895), (14, 5741910), (15, 5359116), (18, 4465930), (20, 4019337), (21, 3827940), (28, 2870955), (30, 2679558), (35, 2296764), (36, 2232965), (42, 1913970), (45, 1786372), (60, 1339779), (63, 1275980), (70, 1148382), (84, 956985), (90, 893186), (105, 765588), (126, 637990), (140, 574191), (180, 446593), (210, 382794), (252, 318995), (315, 255196), (420, 191397), (630, 127598), (1260, 63799)]