77308020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{15907}}^1$

素因数の和:15931

約数の個数: 72

約数和(自身を含む): 243201504

約数和(自身を除く): 165893484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 15907, 31814, 47721, 63628, 79535, 95442, 143163, 159070, 190884, 238605, 286326, 318140, 429489, 477210, 572652, 715815, 858978, 954420, 1288467, 1431630, 1717956, 2147445, 2576934, 2863260, 3865401, 4294890, 5153868, 6442335, 7730802, 8589780, 12884670, 15461604, 19327005, 25769340, 38654010, 77308020]

約数ペア:

[(1, 77308020), (2, 38654010), (3, 25769340), (4, 19327005), (5, 15461604), (6, 12884670), (9, 8589780), (10, 7730802), (12, 6442335), (15, 5153868), (18, 4294890), (20, 3865401), (27, 2863260), (30, 2576934), (36, 2147445), (45, 1717956), (54, 1431630), (60, 1288467), (81, 954420), (90, 858978), (108, 715815), (135, 572652), (162, 477210), (180, 429489), (243, 318140), (270, 286326), (324, 238605), (405, 190884), (486, 159070), (540, 143163), (810, 95442), (972, 79535), (1215, 63628), (1620, 47721), (2430, 31814), (4860, 15907)]