280345680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389369}}^1$

素因数の和:389388

約数の個数: 60

約数和(自身を含む): 941496660

約数和(自身を除く): 661150980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 389369, 778738, 1168107, 1557476, 1946845, 2336214, 3114952, 3504321, 3893690, 4672428, 5840535, 6229904, 7008642, 7787380, 9344856, 11681070, 14017284, 15574760, 17521605, 18689712, 23362140, 28034568, 31149520, 35043210, 46724280, 56069136, 70086420, 93448560, 140172840, 280345680]

約数ペア:

[(1, 280345680), (2, 140172840), (3, 93448560), (4, 70086420), (5, 56069136), (6, 46724280), (8, 35043210), (9, 31149520), (10, 28034568), (12, 23362140), (15, 18689712), (16, 17521605), (18, 15574760), (20, 14017284), (24, 11681070), (30, 9344856), (36, 7787380), (40, 7008642), (45, 6229904), (48, 5840535), (60, 4672428), (72, 3893690), (80, 3504321), (90, 3114952), (120, 2336214), (144, 1946845), (180, 1557476), (240, 1168107), (360, 778738), (720, 389369)]