30257520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 94577280

約数和(自身を除く): 64319760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 907, 1112, 1390, 1668, 1814, 2085, 2224, 2721, 2780, 3336, 3628, 4170, 4535, 5442, 5560, 6672, 7256, 8340, 9070, 10884, 11120, 13605, 14512, 16680, 18140, 21768, 27210, 33360, 36280, 43536, 54420, 72560, 108840, 126073, 217680, 252146, 378219, 504292, 630365, 756438, 1008584, 1260730, 1512876, 1891095, 2017168, 2521460, 3025752, 3782190, 5042920, 6051504, 7564380, 10085840, 15128760, 30257520]

約数ペア:

[(1, 30257520), (2, 15128760), (3, 10085840), (4, 7564380), (5, 6051504), (6, 5042920), (8, 3782190), (10, 3025752), (12, 2521460), (15, 2017168), (16, 1891095), (20, 1512876), (24, 1260730), (30, 1008584), (40, 756438), (48, 630365), (60, 504292), (80, 378219), (120, 252146), (139, 217680), (240, 126073), (278, 108840), (417, 72560), (556, 54420), (695, 43536), (834, 36280), (907, 33360), (1112, 27210), (1390, 21768), (1668, 18140), (1814, 16680), (2085, 14512), (2224, 13605), (2721, 11120), (2780, 10884), (3336, 9070), (3628, 8340), (4170, 7256), (4535, 6672), (5442, 5560)]