291609540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20507}}^1$

素因数の和:20601

約数の個数: 72

約数和(自身を含む): 895789440

約数和(自身を除く): 604179900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 20507, 41014, 61521, 82028, 102535, 123042, 184563, 205070, 246084, 307605, 369126, 410140, 615210, 738252, 922815, 1230420, 1620053, 1845630, 3240106, 3691260, 4860159, 6480212, 8100265, 9720318, 14580477, 16200530, 19440636, 24300795, 29160954, 32401060, 48601590, 58321908, 72902385, 97203180, 145804770, 291609540]

約数ペア:

[(1, 291609540), (2, 145804770), (3, 97203180), (4, 72902385), (5, 58321908), (6, 48601590), (9, 32401060), (10, 29160954), (12, 24300795), (15, 19440636), (18, 16200530), (20, 14580477), (30, 9720318), (36, 8100265), (45, 6480212), (60, 4860159), (79, 3691260), (90, 3240106), (158, 1845630), (180, 1620053), (237, 1230420), (316, 922815), (395, 738252), (474, 615210), (711, 410140), (790, 369126), (948, 307605), (1185, 246084), (1422, 205070), (1580, 184563), (2370, 123042), (2844, 102535), (3555, 82028), (4740, 61521), (7110, 41014), (14220, 20507)]