81223260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9739}}^1$

素因数の和:9890

約数の個数: 48

約数和(自身を含む): 229084800

約数和(自身を除く): 147861540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 9739, 19478, 29217, 38956, 48695, 58434, 97390, 116868, 146085, 194780, 292170, 584340, 1353721, 2707442, 4061163, 5414884, 6768605, 8122326, 13537210, 16244652, 20305815, 27074420, 40611630, 81223260]

約数ペア:

[(1, 81223260), (2, 40611630), (3, 27074420), (4, 20305815), (5, 16244652), (6, 13537210), (10, 8122326), (12, 6768605), (15, 5414884), (20, 4061163), (30, 2707442), (60, 1353721), (139, 584340), (278, 292170), (417, 194780), (556, 146085), (695, 116868), (834, 97390), (1390, 58434), (1668, 48695), (2085, 38956), (2780, 29217), (4170, 19478), (8340, 9739)]