55720140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{132667}}^1$

素因数の和:132686

約数の個数: 48

約数和(自身を含む): 178305792

約数和(自身を除く): 122585652

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, 132667, 265334, 398001, 530668, 663335, 796002, 928669, 1326670, 1592004, 1857338, 1990005, 2653340, 2786007, 3714676, 3980010, 4643345, 5572014, 7960020, 9286690, 11144028, 13930035, 18573380, 27860070, 55720140]

約数ペア:

[(1, 55720140), (2, 27860070), (3, 18573380), (4, 13930035), (5, 11144028), (6, 9286690), (7, 7960020), (10, 5572014), (12, 4643345), (14, 3980010), (15, 3714676), (20, 2786007), (21, 2653340), (28, 1990005), (30, 1857338), (35, 1592004), (42, 1326670), (60, 928669), (70, 796002), (84, 663335), (105, 530668), (140, 398001), (210, 265334), (420, 132667)]