678870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 1862640

約数和(自身を除く): 1183770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 397, 570, 794, 855, 1191, 1710, 1985, 2382, 3573, 3970, 5955, 7146, 7543, 11910, 15086, 17865, 22629, 35730, 37715, 45258, 67887, 75430, 113145, 135774, 226290, 339435, 678870]

約数ペア:

[(1, 678870), (2, 339435), (3, 226290), (5, 135774), (6, 113145), (9, 75430), (10, 67887), (15, 45258), (18, 37715), (19, 35730), (30, 22629), (38, 17865), (45, 15086), (57, 11910), (90, 7543), (95, 7146), (114, 5955), (171, 3970), (190, 3573), (285, 2382), (342, 1985), (397, 1710), (570, 1191), (794, 855)]