161400456

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{320239}}^1$

素因数の和:320258

約数の個数: 48

約数和(自身を含む): 499574400

約数和(自身を除く): 338173944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 320239, 640478, 960717, 1280956, 1921434, 2241673, 2561912, 2882151, 3842868, 4483346, 5764302, 6725019, 7685736, 8966692, 11528604, 13450038, 17933384, 20175057, 23057208, 26900076, 40350114, 53800152, 80700228, 161400456]

約数ペア:

[(1, 161400456), (2, 80700228), (3, 53800152), (4, 40350114), (6, 26900076), (7, 23057208), (8, 20175057), (9, 17933384), (12, 13450038), (14, 11528604), (18, 8966692), (21, 7685736), (24, 6725019), (28, 5764302), (36, 4483346), (42, 3842868), (56, 2882151), (63, 2561912), (72, 2241673), (84, 1921434), (126, 1280956), (168, 960717), (252, 640478), (504, 320239)]