3978780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5101}}^1$

素因数の和:5126

約数の個数: 48

約数和(自身を含む): 11999904

約数和(自身を除く): 8021124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5101, 10202, 15303, 20404, 25505, 30606, 51010, 61212, 66313, 76515, 102020, 132626, 153030, 198939, 265252, 306060, 331565, 397878, 663130, 795756, 994695, 1326260, 1989390, 3978780]

約数ペア:

[(1, 3978780), (2, 1989390), (3, 1326260), (4, 994695), (5, 795756), (6, 663130), (10, 397878), (12, 331565), (13, 306060), (15, 265252), (20, 198939), (26, 153030), (30, 132626), (39, 102020), (52, 76515), (60, 66313), (65, 61212), (78, 51010), (130, 30606), (156, 25505), (195, 20404), (260, 15303), (390, 10202), (780, 5101)]