81909390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66593}}^1$

素因数の和:66644

約数の個数: 32

約数和(自身を含む): 201380256

約数和(自身を除く): 119470866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 66593, 133186, 199779, 332965, 399558, 665930, 998895, 1997790, 2730313, 5460626, 8190939, 13651565, 16381878, 27303130, 40954695, 81909390]

約数ペア:

[(1, 81909390), (2, 40954695), (3, 27303130), (5, 16381878), (6, 13651565), (10, 8190939), (15, 5460626), (30, 2730313), (41, 1997790), (82, 998895), (123, 665930), (205, 399558), (246, 332965), (410, 199779), (615, 133186), (1230, 66593)]