27279420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64951}}^1$

素因数の和:64970

約数の個数: 48

約数和(自身を含む): 87295488

約数和(自身を除く): 60016068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64951, 129902, 194853, 259804, 324755, 389706, 454657, 649510, 779412, 909314, 974265, 1299020, 1363971, 1818628, 1948530, 2273285, 2727942, 3897060, 4546570, 5455884, 6819855, 9093140, 13639710, 27279420]

約数ペア:

[(1, 27279420), (2, 13639710), (3, 9093140), (4, 6819855), (5, 5455884), (6, 4546570), (7, 3897060), (10, 2727942), (12, 2273285), (14, 1948530), (15, 1818628), (20, 1363971), (21, 1299020), (28, 974265), (30, 909314), (35, 779412), (42, 649510), (60, 454657), (70, 389706), (84, 324755), (105, 259804), (140, 194853), (210, 129902), (420, 64951)]