15998220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12697}}^1$

素因数の和:12719

約数の個数: 72

約数和(自身を含む): 55464864

約数和(自身を除く): 39466644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12697, 25394, 38091, 50788, 63485, 76182, 88879, 114273, 126970, 152364, 177758, 190455, 228546, 253940, 266637, 355516, 380910, 444395, 457092, 533274, 571365, 761820, 799911, 888790, 1066548, 1142730, 1333185, 1599822, 1777580, 2285460, 2666370, 3199644, 3999555, 5332740, 7999110, 15998220]

約数ペア:

[(1, 15998220), (2, 7999110), (3, 5332740), (4, 3999555), (5, 3199644), (6, 2666370), (7, 2285460), (9, 1777580), (10, 1599822), (12, 1333185), (14, 1142730), (15, 1066548), (18, 888790), (20, 799911), (21, 761820), (28, 571365), (30, 533274), (35, 457092), (36, 444395), (42, 380910), (45, 355516), (60, 266637), (63, 253940), (70, 228546), (84, 190455), (90, 177758), (105, 152364), (126, 126970), (140, 114273), (180, 88879), (210, 76182), (252, 63485), (315, 50788), (420, 38091), (630, 25394), (1260, 12697)]