264485120

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1627}}^1$

素因数の和:1775

約数の個数: 72

約数和(自身を含む): 638905344

約数和(自身を除く): 374420224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1627, 2032, 2540, 3254, 4064, 5080, 6508, 8128, 8135, 10160, 13016, 16256, 16270, 20320, 26032, 32512, 32540, 40640, 52064, 65080, 81280, 104128, 130160, 162560, 206629, 208256, 260320, 413258, 416512, 520640, 826516, 1033145, 1041280, 1653032, 2066290, 2082560, 3306064, 4132580, 6612128, 8265160, 13224256, 16530320, 26448512, 33060640, 52897024, 66121280, 132242560, 264485120]

約数ペア:

[(1, 264485120), (2, 132242560), (4, 66121280), (5, 52897024), (8, 33060640), (10, 26448512), (16, 16530320), (20, 13224256), (32, 8265160), (40, 6612128), (64, 4132580), (80, 3306064), (127, 2082560), (128, 2066290), (160, 1653032), (254, 1041280), (256, 1033145), (320, 826516), (508, 520640), (635, 416512), (640, 413258), (1016, 260320), (1270, 208256), (1280, 206629), (1627, 162560), (2032, 130160), (2540, 104128), (3254, 81280), (4064, 65080), (5080, 52064), (6508, 40640), (8128, 32540), (8135, 32512), (10160, 26032), (13016, 20320), (16256, 16270)]