420897180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{637723}}^1$

素因数の和:637746

約数の個数: 48

約数和(自身を含む): 1285651584

約数和(自身を除く): 864754404

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 637723, 1275446, 1913169, 2550892, 3188615, 3826338, 6377230, 7014953, 7652676, 9565845, 12754460, 14029906, 19131690, 21044859, 28059812, 35074765, 38263380, 42089718, 70149530, 84179436, 105224295, 140299060, 210448590, 420897180]

約数ペア:

[(1, 420897180), (2, 210448590), (3, 140299060), (4, 105224295), (5, 84179436), (6, 70149530), (10, 42089718), (11, 38263380), (12, 35074765), (15, 28059812), (20, 21044859), (22, 19131690), (30, 14029906), (33, 12754460), (44, 9565845), (55, 7652676), (60, 7014953), (66, 6377230), (110, 3826338), (132, 3188615), (165, 2550892), (220, 1913169), (330, 1275446), (660, 637723)]