690780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 2005920

約数和(自身を除く): 1315140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 397, 435, 580, 794, 870, 1191, 1588, 1740, 1985, 2382, 3970, 4764, 5955, 7940, 11513, 11910, 23026, 23820, 34539, 46052, 57565, 69078, 115130, 138156, 172695, 230260, 345390, 690780]

約数ペア:

[(1, 690780), (2, 345390), (3, 230260), (4, 172695), (5, 138156), (6, 115130), (10, 69078), (12, 57565), (15, 46052), (20, 34539), (29, 23820), (30, 23026), (58, 11910), (60, 11513), (87, 7940), (116, 5955), (145, 4764), (174, 3970), (290, 2382), (348, 1985), (397, 1740), (435, 1588), (580, 1191), (794, 870)]