66469620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158261}}^1$

素因数の和:158280

約数の個数: 48

約数和(自身を含む): 212704128

約数和(自身を除く): 146234508

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, 158261, 316522, 474783, 633044, 791305, 949566, 1107827, 1582610, 1899132, 2215654, 2373915, 3165220, 3323481, 4431308, 4747830, 5539135, 6646962, 9495660, 11078270, 13293924, 16617405, 22156540, 33234810, 66469620]

約数ペア:

[(1, 66469620), (2, 33234810), (3, 22156540), (4, 16617405), (5, 13293924), (6, 11078270), (7, 9495660), (10, 6646962), (12, 5539135), (14, 4747830), (15, 4431308), (20, 3323481), (21, 3165220), (28, 2373915), (30, 2215654), (35, 1899132), (42, 1582610), (60, 1107827), (70, 949566), (84, 791305), (105, 633044), (140, 474783), (210, 316522), (420, 158261)]