80641764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{106669}}^1$

素因数の和:106689

約数の個数: 48

約数和(自身を含む): 238940800

約数和(自身を除く): 158299036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 106669, 213338, 320007, 426676, 640014, 746683, 960021, 1280028, 1493366, 1920042, 2240049, 2880063, 2986732, 3840084, 4480098, 5760126, 6720147, 8960196, 11520252, 13440294, 20160441, 26880588, 40320882, 80641764]

約数ペア:

[(1, 80641764), (2, 40320882), (3, 26880588), (4, 20160441), (6, 13440294), (7, 11520252), (9, 8960196), (12, 6720147), (14, 5760126), (18, 4480098), (21, 3840084), (27, 2986732), (28, 2880063), (36, 2240049), (42, 1920042), (54, 1493366), (63, 1280028), (84, 960021), (108, 746683), (126, 640014), (189, 426676), (252, 320007), (378, 213338), (756, 106669)]