128524620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{306011}}^1$

素因数の和:306030

約数の個数: 48

約数和(自身を含む): 411280128

約数和(自身を除く): 282755508

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, 306011, 612022, 918033, 1224044, 1530055, 1836066, 2142077, 3060110, 3672132, 4284154, 4590165, 6120220, 6426231, 8568308, 9180330, 10710385, 12852462, 18360660, 21420770, 25704924, 32131155, 42841540, 64262310, 128524620]

約数ペア:

[(1, 128524620), (2, 64262310), (3, 42841540), (4, 32131155), (5, 25704924), (6, 21420770), (7, 18360660), (10, 12852462), (12, 10710385), (14, 9180330), (15, 8568308), (20, 6426231), (21, 6120220), (28, 4590165), (30, 4284154), (35, 3672132), (42, 3060110), (60, 2142077), (70, 1836066), (84, 1530055), (105, 1224044), (140, 918033), (210, 612022), (420, 306011)]