320436520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1439}}^1$

素因数の和:1762

約数の個数: 64

約数和(自身を含む): 762048000

約数和(自身を除く): 441611480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 293, 380, 586, 760, 1172, 1439, 1465, 2344, 2878, 2930, 5567, 5756, 5860, 7195, 11134, 11512, 11720, 14390, 22268, 27341, 27835, 28780, 44536, 54682, 55670, 57560, 109364, 111340, 136705, 218728, 222680, 273410, 421627, 546820, 843254, 1093640, 1686508, 2108135, 3373016, 4216270, 8010913, 8432540, 16021826, 16865080, 32043652, 40054565, 64087304, 80109130, 160218260, 320436520]

約数ペア:

[(1, 320436520), (2, 160218260), (4, 80109130), (5, 64087304), (8, 40054565), (10, 32043652), (19, 16865080), (20, 16021826), (38, 8432540), (40, 8010913), (76, 4216270), (95, 3373016), (152, 2108135), (190, 1686508), (293, 1093640), (380, 843254), (586, 546820), (760, 421627), (1172, 273410), (1439, 222680), (1465, 218728), (2344, 136705), (2878, 111340), (2930, 109364), (5567, 57560), (5756, 55670), (5860, 54682), (7195, 44536), (11134, 28780), (11512, 27835), (11720, 27341), (14390, 22268)]