67660180

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1409}}^1$

素因数の和:1446

約数の個数: 60

約数和(自身を含む): 165875220

約数和(自身を除く): 98215040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1409, 1715, 2401, 2818, 3430, 4802, 5636, 6860, 7045, 9604, 9863, 12005, 14090, 19726, 24010, 28180, 39452, 48020, 49315, 69041, 98630, 138082, 197260, 276164, 345205, 483287, 690410, 966574, 1380820, 1933148, 2416435, 3383009, 4832870, 6766018, 9665740, 13532036, 16915045, 33830090, 67660180]

約数ペア:

[(1, 67660180), (2, 33830090), (4, 16915045), (5, 13532036), (7, 9665740), (10, 6766018), (14, 4832870), (20, 3383009), (28, 2416435), (35, 1933148), (49, 1380820), (70, 966574), (98, 690410), (140, 483287), (196, 345205), (245, 276164), (343, 197260), (490, 138082), (686, 98630), (980, 69041), (1372, 49315), (1409, 48020), (1715, 39452), (2401, 28180), (2818, 24010), (3430, 19726), (4802, 14090), (5636, 12005), (6860, 9863), (7045, 9604)]