81073140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9721}}^1$

素因数の和:9872

約数の個数: 48

約数和(自身を含む): 228661440

約数和(自身を除く): 147588300

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, 9721, 19442, 29163, 38884, 48605, 58326, 97210, 116652, 145815, 194420, 291630, 583260, 1351219, 2702438, 4053657, 5404876, 6756095, 8107314, 13512190, 16214628, 20268285, 27024380, 40536570, 81073140]

約数ペア:

[(1, 81073140), (2, 40536570), (3, 27024380), (4, 20268285), (5, 16214628), (6, 13512190), (10, 8107314), (12, 6756095), (15, 5404876), (20, 4053657), (30, 2702438), (60, 1351219), (139, 583260), (278, 291630), (417, 194420), (556, 145815), (695, 116652), (834, 97210), (1390, 58326), (1668, 48605), (2085, 38884), (2780, 29163), (4170, 19442), (8340, 9721)]