321340480

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7907}}^1$

素因数の和:8051

約数の個数: 56

約数和(自身を含む): 771314688

約数和(自身を除く): 449974208

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, 7907, 8128, 10160, 15814, 20320, 31628, 39535, 40640, 63256, 79070, 126512, 158140, 253024, 316280, 506048, 632560, 1004189, 1265120, 2008378, 2530240, 4016756, 5020945, 8033512, 10041890, 16067024, 20083780, 32134048, 40167560, 64268096, 80335120, 160670240, 321340480]

約数ペア:

[(1, 321340480), (2, 160670240), (4, 80335120), (5, 64268096), (8, 40167560), (10, 32134048), (16, 20083780), (20, 16067024), (32, 10041890), (40, 8033512), (64, 5020945), (80, 4016756), (127, 2530240), (160, 2008378), (254, 1265120), (320, 1004189), (508, 632560), (635, 506048), (1016, 316280), (1270, 253024), (2032, 158140), (2540, 126512), (4064, 79070), (5080, 63256), (7907, 40640), (8128, 39535), (10160, 31628), (15814, 20320)]