2777820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 7905408

約数和(自身を除く): 5127588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 691, 804, 1005, 1340, 1382, 2010, 2073, 2764, 3455, 4020, 4146, 6910, 8292, 10365, 13820, 20730, 41460, 46297, 92594, 138891, 185188, 231485, 277782, 462970, 555564, 694455, 925940, 1388910, 2777820]

約数ペア:

[(1, 2777820), (2, 1388910), (3, 925940), (4, 694455), (5, 555564), (6, 462970), (10, 277782), (12, 231485), (15, 185188), (20, 138891), (30, 92594), (60, 46297), (67, 41460), (134, 20730), (201, 13820), (268, 10365), (335, 8292), (402, 6910), (670, 4146), (691, 4020), (804, 3455), (1005, 2764), (1340, 2073), (1382, 2010)]