78000840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72223}}^1$

素因数の和:72243

約数の個数: 64

約数和(自身を含む): 260006400

約数和(自身を除く): 182005560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72223, 144446, 216669, 288892, 361115, 433338, 577784, 650007, 722230, 866676, 1083345, 1300014, 1444460, 1733352, 1950021, 2166690, 2600028, 2888920, 3250035, 3900042, 4333380, 5200056, 6500070, 7800084, 8666760, 9750105, 13000140, 15600168, 19500210, 26000280, 39000420, 78000840]

約数ペア:

[(1, 78000840), (2, 39000420), (3, 26000280), (4, 19500210), (5, 15600168), (6, 13000140), (8, 9750105), (9, 8666760), (10, 7800084), (12, 6500070), (15, 5200056), (18, 4333380), (20, 3900042), (24, 3250035), (27, 2888920), (30, 2600028), (36, 2166690), (40, 1950021), (45, 1733352), (54, 1444460), (60, 1300014), (72, 1083345), (90, 866676), (108, 722230), (120, 650007), (135, 577784), (180, 433338), (216, 361115), (270, 288892), (360, 216669), (540, 144446), (1080, 72223)]