31368420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 95691960

約数和(自身を除く): 64323540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 761, 916, 1145, 1374, 1522, 2061, 2283, 2290, 2748, 3044, 3435, 3805, 4122, 4566, 4580, 6849, 6870, 7610, 8244, 9132, 10305, 11415, 13698, 13740, 15220, 20610, 22830, 27396, 34245, 41220, 45660, 68490, 136980, 174269, 348538, 522807, 697076, 871345, 1045614, 1568421, 1742690, 2091228, 2614035, 3136842, 3485380, 5228070, 6273684, 7842105, 10456140, 15684210, 31368420]

約数ペア:

[(1, 31368420), (2, 15684210), (3, 10456140), (4, 7842105), (5, 6273684), (6, 5228070), (9, 3485380), (10, 3136842), (12, 2614035), (15, 2091228), (18, 1742690), (20, 1568421), (30, 1045614), (36, 871345), (45, 697076), (60, 522807), (90, 348538), (180, 174269), (229, 136980), (458, 68490), (687, 45660), (761, 41220), (916, 34245), (1145, 27396), (1374, 22830), (1522, 20610), (2061, 15220), (2283, 13740), (2290, 13698), (2748, 11415), (3044, 10305), (3435, 9132), (3805, 8244), (4122, 7610), (4566, 6870), (4580, 6849)]