38428020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{7907}}^1$

素因数の和:7931

約数の個数: 72

約数和(自身を含む): 120897504

約数和(自身を除く): 82469484

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, 7907, 15814, 23721, 31628, 39535, 47442, 71163, 79070, 94884, 118605, 142326, 158140, 213489, 237210, 284652, 355815, 426978, 474420, 640467, 711630, 853956, 1067445, 1280934, 1423260, 1921401, 2134890, 2561868, 3202335, 3842802, 4269780, 6404670, 7685604, 9607005, 12809340, 19214010, 38428020]

約数ペア:

[(1, 38428020), (2, 19214010), (3, 12809340), (4, 9607005), (5, 7685604), (6, 6404670), (9, 4269780), (10, 3842802), (12, 3202335), (15, 2561868), (18, 2134890), (20, 1921401), (27, 1423260), (30, 1280934), (36, 1067445), (45, 853956), (54, 711630), (60, 640467), (81, 474420), (90, 426978), (108, 355815), (135, 284652), (162, 237210), (180, 213489), (243, 158140), (270, 142326), (324, 118605), (405, 94884), (486, 79070), (540, 71163), (810, 47442), (972, 39535), (1215, 31628), (1620, 23721), (2430, 15814), (4860, 7907)]