90439980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{51977}}^1$

素因数の和:52018

約数の個数: 48

約数和(自身を含む): 261969120

約数和(自身を除く): 171529140

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, 51977, 103954, 155931, 207908, 259885, 311862, 519770, 623724, 779655, 1039540, 1507333, 1559310, 3014666, 3118620, 4521999, 6029332, 7536665, 9043998, 15073330, 18087996, 22609995, 30146660, 45219990, 90439980]

約数ペア:

[(1, 90439980), (2, 45219990), (3, 30146660), (4, 22609995), (5, 18087996), (6, 15073330), (10, 9043998), (12, 7536665), (15, 6029332), (20, 4521999), (29, 3118620), (30, 3014666), (58, 1559310), (60, 1507333), (87, 1039540), (116, 779655), (145, 623724), (174, 519770), (290, 311862), (348, 259885), (435, 207908), (580, 155931), (870, 103954), (1740, 51977)]