280147320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{778187}}^1$

素因数の和:778204

約数の個数: 48

約数和(自身を含む): 910479960

約数和(自身を除く): 630332640

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, 778187, 1556374, 2334561, 3112748, 3890935, 4669122, 6225496, 7003683, 7781870, 9338244, 11672805, 14007366, 15563740, 18676488, 23345610, 28014732, 31127480, 35018415, 46691220, 56029464, 70036830, 93382440, 140073660, 280147320]

約数ペア:

[(1, 280147320), (2, 140073660), (3, 93382440), (4, 70036830), (5, 56029464), (6, 46691220), (8, 35018415), (9, 31127480), (10, 28014732), (12, 23345610), (15, 18676488), (18, 15563740), (20, 14007366), (24, 11672805), (30, 9338244), (36, 7781870), (40, 7003683), (45, 6225496), (60, 4669122), (72, 3890935), (90, 3112748), (120, 2334561), (180, 1556374), (360, 778187)]