12409380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 38211264

約数和(自身を除く): 25801884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 971, 1065, 1278, 1420, 1942, 2130, 2556, 2913, 3195, 3884, 4260, 4855, 5826, 6390, 8739, 9710, 11652, 12780, 14565, 17478, 19420, 29130, 34956, 43695, 58260, 68941, 87390, 137882, 174780, 206823, 275764, 344705, 413646, 620469, 689410, 827292, 1034115, 1240938, 1378820, 2068230, 2481876, 3102345, 4136460, 6204690, 12409380]

約数ペア:

[(1, 12409380), (2, 6204690), (3, 4136460), (4, 3102345), (5, 2481876), (6, 2068230), (9, 1378820), (10, 1240938), (12, 1034115), (15, 827292), (18, 689410), (20, 620469), (30, 413646), (36, 344705), (45, 275764), (60, 206823), (71, 174780), (90, 137882), (142, 87390), (180, 68941), (213, 58260), (284, 43695), (355, 34956), (426, 29130), (639, 19420), (710, 17478), (852, 14565), (971, 12780), (1065, 11652), (1278, 9710), (1420, 8739), (1942, 6390), (2130, 5826), (2556, 4855), (2913, 4260), (3195, 3884)]