6662420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 14665728

約数和(自身を除く): 8003308

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 127, 172, 215, 244, 254, 305, 430, 508, 610, 635, 860, 1220, 1270, 2540, 2623, 5246, 5461, 7747, 10492, 10922, 13115, 15494, 21844, 26230, 27305, 30988, 38735, 52460, 54610, 77470, 109220, 154940, 333121, 666242, 1332484, 1665605, 3331210, 6662420]

約数ペア:

[(1, 6662420), (2, 3331210), (4, 1665605), (5, 1332484), (10, 666242), (20, 333121), (43, 154940), (61, 109220), (86, 77470), (122, 54610), (127, 52460), (172, 38735), (215, 30988), (244, 27305), (254, 26230), (305, 21844), (430, 15494), (508, 13115), (610, 10922), (635, 10492), (860, 7747), (1220, 5461), (1270, 5246), (2540, 2623)]