405120930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{21401}}^1$

素因数の和:22042

約数の個数: 32

約数和(自身を含む): 973876608

約数和(自身を除く): 568755678

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 631, 1262, 1893, 3155, 3786, 6310, 9465, 18930, 21401, 42802, 64203, 107005, 128406, 214010, 321015, 642030, 13504031, 27008062, 40512093, 67520155, 81024186, 135040310, 202560465, 405120930]

約数ペア:

[(1, 405120930), (2, 202560465), (3, 135040310), (5, 81024186), (6, 67520155), (10, 40512093), (15, 27008062), (30, 13504031), (631, 642030), (1262, 321015), (1893, 214010), (3155, 128406), (3786, 107005), (6310, 64203), (9465, 42802), (18930, 21401)]