289722560

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7129}}^1$

素因数の和:7273

約数の個数: 56

約数和(自身を含む): 695431680

約数和(自身を除く): 405709120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 7129, 8128, 10160, 14258, 20320, 28516, 35645, 40640, 57032, 71290, 114064, 142580, 228128, 285160, 456256, 570320, 905383, 1140640, 1810766, 2281280, 3621532, 4526915, 7243064, 9053830, 14486128, 18107660, 28972256, 36215320, 57944512, 72430640, 144861280, 289722560]

約数ペア:

[(1, 289722560), (2, 144861280), (4, 72430640), (5, 57944512), (8, 36215320), (10, 28972256), (16, 18107660), (20, 14486128), (32, 9053830), (40, 7243064), (64, 4526915), (80, 3621532), (127, 2281280), (160, 1810766), (254, 1140640), (320, 905383), (508, 570320), (635, 456256), (1016, 285160), (1270, 228128), (2032, 142580), (2540, 114064), (4064, 71290), (5080, 57032), (7129, 40640), (8128, 35645), (10160, 28516), (14258, 20320)]