16880220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13397}}^1$

素因数の和:13419

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 41642244

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, 13397, 26794, 40191, 53588, 66985, 80382, 93779, 120573, 133970, 160764, 187558, 200955, 241146, 267940, 281337, 375116, 401910, 468895, 482292, 562674, 602865, 803820, 844011, 937790, 1125348, 1205730, 1406685, 1688022, 1875580, 2411460, 2813370, 3376044, 4220055, 5626740, 8440110, 16880220]

約数ペア:

[(1, 16880220), (2, 8440110), (3, 5626740), (4, 4220055), (5, 3376044), (6, 2813370), (7, 2411460), (9, 1875580), (10, 1688022), (12, 1406685), (14, 1205730), (15, 1125348), (18, 937790), (20, 844011), (21, 803820), (28, 602865), (30, 562674), (35, 482292), (36, 468895), (42, 401910), (45, 375116), (60, 281337), (63, 267940), (70, 241146), (84, 200955), (90, 187558), (105, 160764), (126, 133970), (140, 120573), (180, 93779), (210, 80382), (252, 66985), (315, 53588), (420, 40191), (630, 26794), (1260, 13397)]