128348820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237683}}^1$

素因数の和:237701

約数の個数: 48

約数和(自身を含む): 399309120

約数和(自身を除く): 270960300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237683, 475366, 713049, 950732, 1188415, 1426098, 2139147, 2376830, 2852196, 3565245, 4278294, 4753660, 6417441, 7130490, 8556588, 10695735, 12834882, 14260980, 21391470, 25669764, 32087205, 42782940, 64174410, 128348820]

約数ペア:

[(1, 128348820), (2, 64174410), (3, 42782940), (4, 32087205), (5, 25669764), (6, 21391470), (9, 14260980), (10, 12834882), (12, 10695735), (15, 8556588), (18, 7130490), (20, 6417441), (27, 4753660), (30, 4278294), (36, 3565245), (45, 2852196), (54, 2376830), (60, 2139147), (90, 1426098), (108, 1188415), (135, 950732), (180, 713049), (270, 475366), (540, 237683)]