81767820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{46993}}^1$

素因数の和:47034

約数の個数: 48

約数和(自身を含む): 236849760

約数和(自身を除く): 155081940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 46993, 93986, 140979, 187972, 234965, 281958, 469930, 563916, 704895, 939860, 1362797, 1409790, 2725594, 2819580, 4088391, 5451188, 6813985, 8176782, 13627970, 16353564, 20441955, 27255940, 40883910, 81767820]

約数ペア:

[(1, 81767820), (2, 40883910), (3, 27255940), (4, 20441955), (5, 16353564), (6, 13627970), (10, 8176782), (12, 6813985), (15, 5451188), (20, 4088391), (29, 2819580), (30, 2725594), (58, 1409790), (60, 1362797), (87, 939860), (116, 704895), (145, 563916), (174, 469930), (290, 281958), (348, 234965), (435, 187972), (580, 140979), (870, 93986), (1740, 46993)]