131680860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30911}}^1$

素因数の和:30994

約数の個数: 48

約数和(自身を含む): 373911552

約数和(自身を除く): 242230692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 30911, 61822, 92733, 123644, 154555, 185466, 309110, 370932, 463665, 618220, 927330, 1854660, 2194681, 4389362, 6584043, 8778724, 10973405, 13168086, 21946810, 26336172, 32920215, 43893620, 65840430, 131680860]

約数ペア:

[(1, 131680860), (2, 65840430), (3, 43893620), (4, 32920215), (5, 26336172), (6, 21946810), (10, 13168086), (12, 10973405), (15, 8778724), (20, 6584043), (30, 4389362), (60, 2194681), (71, 1854660), (142, 927330), (213, 618220), (284, 463665), (355, 370932), (426, 309110), (710, 185466), (852, 154555), (1065, 123644), (1420, 92733), (2130, 61822), (4260, 30911)]