1320072520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{195277}}^1$

素因数の和:195314

約数の個数: 48

約数和(自身を含む): 3216228660

約数和(自身を除く): 1896156140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 195277, 390554, 781108, 976385, 1562216, 1952770, 2538601, 3905540, 5077202, 7811080, 10154404, 12693005, 20308808, 25386010, 33001813, 50772020, 66003626, 101544040, 132007252, 165009065, 264014504, 330018130, 660036260, 1320072520]

約数ペア:

[(1, 1320072520), (2, 660036260), (4, 330018130), (5, 264014504), (8, 165009065), (10, 132007252), (13, 101544040), (20, 66003626), (26, 50772020), (40, 33001813), (52, 25386010), (65, 20308808), (104, 12693005), (130, 10154404), (169, 7811080), (260, 5077202), (338, 3905540), (520, 2538601), (676, 1952770), (845, 1562216), (1352, 976385), (1690, 781108), (3380, 390554), (6760, 195277)]