247381120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{55219}}^1$

素因数の和:55245

約数の個数: 64

約数和(自身を含む): 675892800

約数和(自身を除く): 428511680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 55219, 110438, 220876, 276095, 386533, 441752, 552190, 773066, 883504, 1104380, 1546132, 1767008, 1932665, 2208760, 3092264, 3534016, 3865330, 4417520, 6184528, 7068032, 7730660, 8835040, 12369056, 15461320, 17670080, 24738112, 30922640, 35340160, 49476224, 61845280, 123690560, 247381120]

約数ペア:

[(1, 247381120), (2, 123690560), (4, 61845280), (5, 49476224), (7, 35340160), (8, 30922640), (10, 24738112), (14, 17670080), (16, 15461320), (20, 12369056), (28, 8835040), (32, 7730660), (35, 7068032), (40, 6184528), (56, 4417520), (64, 3865330), (70, 3534016), (80, 3092264), (112, 2208760), (128, 1932665), (140, 1767008), (160, 1546132), (224, 1104380), (280, 883504), (320, 773066), (448, 552190), (560, 441752), (640, 386533), (896, 276095), (1120, 220876), (2240, 110438), (4480, 55219)]