155268540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123229}}^1$

素因数の和:123251

約数の個数: 72

約数和(自身を含む): 538268640

約数和(自身を除く): 383000100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123229, 246458, 369687, 492916, 616145, 739374, 862603, 1109061, 1232290, 1478748, 1725206, 1848435, 2218122, 2464580, 2587809, 3450412, 3696870, 4313015, 4436244, 5175618, 5545305, 7393740, 7763427, 8626030, 10351236, 11090610, 12939045, 15526854, 17252060, 22181220, 25878090, 31053708, 38817135, 51756180, 77634270, 155268540]

約数ペア:

[(1, 155268540), (2, 77634270), (3, 51756180), (4, 38817135), (5, 31053708), (6, 25878090), (7, 22181220), (9, 17252060), (10, 15526854), (12, 12939045), (14, 11090610), (15, 10351236), (18, 8626030), (20, 7763427), (21, 7393740), (28, 5545305), (30, 5175618), (35, 4436244), (36, 4313015), (42, 3696870), (45, 3450412), (60, 2587809), (63, 2464580), (70, 2218122), (84, 1848435), (90, 1725206), (105, 1478748), (126, 1232290), (140, 1109061), (180, 862603), (210, 739374), (252, 616145), (315, 492916), (420, 369687), (630, 246458), (1260, 123229)]