280365480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{778793}}^1$

素因数の和:778810

約数の個数: 48

約数和(自身を含む): 911188980

約数和(自身を除く): 630823500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 778793, 1557586, 2336379, 3115172, 3893965, 4672758, 6230344, 7009137, 7787930, 9345516, 11681895, 14018274, 15575860, 18691032, 23363790, 28036548, 31151720, 35045685, 46727580, 56073096, 70091370, 93455160, 140182740, 280365480]

約数ペア:

[(1, 280365480), (2, 140182740), (3, 93455160), (4, 70091370), (5, 56073096), (6, 46727580), (8, 35045685), (9, 31151720), (10, 28036548), (12, 23363790), (15, 18691032), (18, 15575860), (20, 14018274), (24, 11681895), (30, 9345516), (36, 7787930), (40, 7009137), (45, 6230344), (60, 4672758), (72, 3893965), (90, 3115172), (120, 2336379), (180, 1557586), (360, 778793)]