13120240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3347}}^1$

素因数の和:3374

約数の個数: 60

約数和(自身を含む): 35495496

約数和(自身を除く): 22375256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3347, 3920, 6694, 13388, 16735, 23429, 26776, 33470, 46858, 53552, 66940, 93716, 117145, 133880, 164003, 187432, 234290, 267760, 328006, 374864, 468580, 656012, 820015, 937160, 1312024, 1640030, 1874320, 2624048, 3280060, 6560120, 13120240]

約数ペア:

[(1, 13120240), (2, 6560120), (4, 3280060), (5, 2624048), (7, 1874320), (8, 1640030), (10, 1312024), (14, 937160), (16, 820015), (20, 656012), (28, 468580), (35, 374864), (40, 328006), (49, 267760), (56, 234290), (70, 187432), (80, 164003), (98, 133880), (112, 117145), (140, 93716), (196, 66940), (245, 53552), (280, 46858), (392, 33470), (490, 26776), (560, 23429), (784, 16735), (980, 13388), (1960, 6694), (3347, 3920)]