320480960

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6379}}^1$

素因数の和:6553

約数の個数: 56

約数和(自身を含む): 768126480

約数和(自身を除く): 447645520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 6379, 10048, 12560, 12758, 25120, 25516, 31895, 50240, 51032, 63790, 102064, 127580, 204128, 255160, 408256, 510320, 1001503, 1020640, 2003006, 2041280, 4006012, 5007515, 8012024, 10015030, 16024048, 20030060, 32048096, 40060120, 64096192, 80120240, 160240480, 320480960]

約数ペア:

[(1, 320480960), (2, 160240480), (4, 80120240), (5, 64096192), (8, 40060120), (10, 32048096), (16, 20030060), (20, 16024048), (32, 10015030), (40, 8012024), (64, 5007515), (80, 4006012), (157, 2041280), (160, 2003006), (314, 1020640), (320, 1001503), (628, 510320), (785, 408256), (1256, 255160), (1570, 204128), (2512, 127580), (3140, 102064), (5024, 63790), (6280, 51032), (6379, 50240), (10048, 31895), (12560, 25516), (12758, 25120)]